diff --git a/integration_tests/__tests__/__snapshots__/coverage_remapping.test.js.snap b/integration_tests/__tests__/__snapshots__/coverage_remapping.test.js.snap
index 00cebd87ecb8..70b45b87638c 100644
--- a/integration_tests/__tests__/__snapshots__/coverage_remapping.test.js.snap
+++ b/integration_tests/__tests__/__snapshots__/coverage_remapping.test.js.snap
@@ -3,6 +3,7 @@
 exports[`maps code coverage against original source 1`] = `
 Object {
   "covered.ts": Object {
+    "_coverageSchema": "332fd63041d2c1bcb487cc26dd0d5f7d97098a6c",
     "b": Object {
       "0": Array [
         1,
@@ -24,34 +25,35 @@ Object {
     },
     "branchMap": Object {
       "0": Object {
+        "line": 4,
         "loc": Object {
           "end": Object {
-            "column": 9,
-            "line": 5,
+            "column": 11,
+            "line": 6,
           },
           "start": Object {
-            "column": 8,
-            "line": 5,
+            "column": 18,
+            "line": 4,
           },
         },
         "locations": Array [
           Object {
             "end": Object {
-              "column": 9,
+              "column": 11,
               "line": 5,
             },
             "start": Object {
-              "column": 8,
+              "column": 10,
               "line": 5,
             },
           },
           Object {
             "end": Object {
-              "column": 9,
+              "column": 11,
               "line": 6,
             },
             "start": Object {
-              "column": 8,
+              "column": 10,
               "line": 6,
             },
           },
@@ -59,34 +61,35 @@ Object {
         "type": "cond-expr",
       },
       "1": Object {
+        "line": 7,
         "loc": Object {
           "end": Object {
-            "column": 37,
+            "column": 30,
             "line": 7,
           },
           "start": Object {
-            "column": 36,
+            "column": 18,
             "line": 7,
           },
         },
         "locations": Array [
           Object {
             "end": Object {
-              "column": 37,
+              "column": 26,
               "line": 7,
             },
             "start": Object {
-              "column": 36,
+              "column": 25,
               "line": 7,
             },
           },
           Object {
             "end": Object {
-              "column": 41,
+              "column": 30,
               "line": 7,
             },
             "start": Object {
-              "column": 40,
+              "column": 29,
               "line": 7,
             },
           },
@@ -94,44 +97,45 @@ Object {
         "type": "cond-expr",
       },
       "2": Object {
+        "line": 8,
         "loc": Object {
           "end": Object {
-            "column": 33,
+            "column": 39,
             "line": 8,
           },
           "start": Object {
-            "column": 29,
+            "column": 18,
             "line": 8,
           },
         },
         "locations": Array [
           Object {
             "end": Object {
-              "column": 33,
+              "column": 22,
               "line": 8,
             },
             "start": Object {
-              "column": 29,
+              "column": 18,
               "line": 8,
             },
           },
           Object {
             "end": Object {
-              "column": 41,
+              "column": 30,
               "line": 8,
             },
             "start": Object {
-              "column": 37,
+              "column": 26,
               "line": 8,
             },
           },
           Object {
             "end": Object {
-              "column": 50,
+              "column": 39,
               "line": 8,
             },
             "start": Object {
-              "column": 45,
+              "column": 34,
               "line": 8,
             },
           },
@@ -139,34 +143,35 @@ Object {
         "type": "binary-expr",
       },
       "3": Object {
+        "line": 9,
         "loc": Object {
           "end": Object {
-            "column": 42,
+            "column": 79,
             "line": 9,
           },
           "start": Object {
-            "column": 32,
+            "column": 13,
             "line": 9,
           },
         },
         "locations": Array [
           Object {
             "end": Object {
-              "column": 42,
+              "column": 48,
               "line": 9,
             },
             "start": Object {
-              "column": 32,
+              "column": 20,
               "line": 9,
             },
           },
           Object {
             "end": Object {
-              "column": 55,
+              "column": 79,
               "line": 9,
             },
             "start": Object {
-              "column": 45,
+              "column": 51,
               "line": 9,
             },
           },
@@ -183,21 +188,22 @@ Object {
       "0": Object {
         "decl": Object {
           "end": Object {
-            "column": 28,
+            "column": 36,
             "line": 3,
           },
           "start": Object {
-            "column": 9,
+            "column": 26,
             "line": 3,
           },
         },
+        "line": 3,
         "loc": Object {
           "end": Object {
             "column": 1,
-            "line": 12,
+            "line": 11,
           },
           "start": Object {
-            "column": 49,
+            "column": 43,
             "line": 3,
           },
         },
@@ -206,17 +212,18 @@ Object {
       "1": Object {
         "decl": Object {
           "end": Object {
-            "column": 37,
+            "column": 21,
             "line": 9,
           },
           "start": Object {
-            "column": 32,
+            "column": 20,
             "line": 9,
           },
         },
+        "line": 9,
         "loc": Object {
           "end": Object {
-            "column": 42,
+            "column": 48,
             "line": 9,
           },
           "start": Object {
@@ -229,21 +236,22 @@ Object {
       "2": Object {
         "decl": Object {
           "end": Object {
-            "column": 50,
+            "column": 52,
             "line": 9,
           },
           "start": Object {
-            "column": 45,
+            "column": 51,
             "line": 9,
           },
         },
+        "line": 9,
         "loc": Object {
           "end": Object {
-            "column": 55,
+            "column": 79,
             "line": 9,
           },
           "start": Object {
-            "column": 45,
+            "column": 63,
             "line": 9,
           },
         },
@@ -264,8 +272,8 @@ Object {
     "statementMap": Object {
       "0": Object {
         "end": Object {
-          "column": 1,
-          "line": 12,
+          "column": 2,
+          "line": 11,
         },
         "start": Object {
           "column": 0,
@@ -274,72 +282,72 @@ Object {
       },
       "1": Object {
         "end": Object {
-          "column": 9,
+          "column": 11,
           "line": 6,
         },
         "start": Object {
-          "column": 29,
+          "column": 18,
           "line": 4,
         },
       },
       "2": Object {
         "end": Object {
-          "column": 41,
+          "column": 30,
           "line": 7,
         },
         "start": Object {
-          "column": 29,
+          "column": 18,
           "line": 7,
         },
       },
       "3": Object {
         "end": Object {
-          "column": 50,
+          "column": 39,
           "line": 8,
         },
         "start": Object {
-          "column": 29,
+          "column": 18,
           "line": 8,
         },
       },
       "4": Object {
         "end": Object {
-          "column": 55,
+          "column": 79,
           "line": 9,
         },
         "start": Object {
-          "column": 25,
+          "column": 13,
           "line": 9,
         },
       },
       "5": Object {
         "end": Object {
-          "column": 42,
+          "column": 46,
           "line": 9,
         },
         "start": Object {
-          "column": 38,
+          "column": 34,
           "line": 9,
         },
       },
       "6": Object {
         "end": Object {
-          "column": 55,
+          "column": 77,
           "line": 9,
         },
         "start": Object {
-          "column": 51,
+          "column": 65,
           "line": 9,
         },
       },
       "7": Object {
         "end": Object {
           "column": 17,
-          "line": 11,
+          "line": 10,
         },
         "start": Object {
           "column": 4,
-          "line": 11,
+          "line": 10,
         },
       },
     },
diff --git a/integration_tests/__tests__/coverage_remapping.test.js b/integration_tests/__tests__/coverage_remapping.test.js
index 1799f3e20454..91d68fc73353 100644
--- a/integration_tests/__tests__/coverage_remapping.test.js
+++ b/integration_tests/__tests__/coverage_remapping.test.js
@@ -31,6 +31,7 @@ it('maps code coverage against original source', () => {
   // reduce absolute paths embedded in the coverage map to just filenames
   Object.keys(coverageMap).forEach(filename => {
     coverageMap[filename].path = path.basename(coverageMap[filename].path);
+    delete coverageMap[filename].hash;
     coverageMap[path.basename(filename)] = coverageMap[filename];
     delete coverageMap[filename];
   });
diff --git a/packages/jest-jasmine2/package.json b/packages/jest-jasmine2/package.json
index b8f5865e2999..9dba0d52e551 100644
--- a/packages/jest-jasmine2/package.json
+++ b/packages/jest-jasmine2/package.json
@@ -15,7 +15,8 @@
     "jest-matcher-utils": "^21.2.1",
     "jest-message-util": "^21.2.1",
     "jest-snapshot": "^21.2.1",
-    "p-cancelable": "^0.3.0"
+    "p-cancelable": "^0.3.0",
+    "source-map-support": "^0.5.0"
   },
   "devDependencies": {
     "jest-runtime": "^21.2.1"
diff --git a/packages/jest-jasmine2/src/index.js b/packages/jest-jasmine2/src/index.js
index 31bc67a9b646..5937678104d7 100644
--- a/packages/jest-jasmine2/src/index.js
+++ b/packages/jest-jasmine2/src/index.js
@@ -15,6 +15,7 @@ import type {TestResult} from 'types/TestResult';
 import type Runtime from 'jest-runtime';
 
 import path from 'path';
+import fs from 'fs';
 import JasmineReporter from './reporter';
 import {install as jasmineAsyncInstall} from './jasmine_async';
 
@@ -93,6 +94,25 @@ async function jasmine2(
     runtime.requireModule(config.setupTestFrameworkScriptFile);
   }
 
+  runtime
+    .requireModule(require.resolve('source-map-support'), 'source-map-support')
+    .install({
+      handleUncaughtExceptions: false,
+      retrieveSourceMap: source => {
+        if (runtime._sourceMapRegistry[source]) {
+          try {
+            return {
+              map: JSON.parse(
+                fs.readFileSync(runtime._sourceMapRegistry[source]),
+              ),
+              url: source,
+            };
+          } catch (e) {}
+        }
+        return null;
+      },
+    });
+
   if (globalConfig.testNamePattern) {
     const testNameRegex = new RegExp(globalConfig.testNamePattern, 'i');
     env.specFilter = spec => testNameRegex.test(spec.getFullName());
diff --git a/packages/jest-runtime/src/__tests__/Runtime-sourceMaps-test.js b/packages/jest-runtime/src/__tests__/Runtime-sourceMaps-test.js
new file mode 100644
index 000000000000..55148cfc5a7b
--- /dev/null
+++ b/packages/jest-runtime/src/__tests__/Runtime-sourceMaps-test.js
@@ -0,0 +1,47 @@
+/**
+ * Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ *
+ * @emails oncall+jsinfra
+ */
+'use strict';
+
+let createRuntime;
+
+describe('Runtime', () => {
+  beforeEach(() => {
+    createRuntime = require('createRuntime');
+  });
+
+  describe('requireModule', () => {
+    it('installs source maps if available', () =>
+      createRuntime(__filename).then(runtime => {
+        let hasThrown = false;
+        const sum = runtime.requireModule(
+          runtime.__mockRootPath,
+          './sourcemaps/out/throwing-mapped-fn.js',
+        ).sum;
+
+        try {
+          sum();
+        } catch (err) {
+          hasThrown = true;
+          /* eslint-disable max-len */
+          if (process.platform === 'win32') {
+            expect(err.stack).toMatch(
+              /^Error: throwing fn\s+at sum.+\\__tests__\\test_root\\sourcemaps\\throwing-mapped-fn.js:10:9/,
+            );
+          } else {
+            expect(err.stack).toMatch(
+              /^Error: throwing fn\s+at sum.+\/__tests__\/test_root\/sourcemaps\/throwing-mapped-fn.js:10:9/,
+            );
+          }
+          /* eslint-enable max-len */
+        }
+        expect(hasThrown).toBe(true);
+      }));
+  });
+});
diff --git a/packages/jest-runtime/src/__tests__/script_transformer.test.js b/packages/jest-runtime/src/__tests__/script_transformer.test.js
index 10a04b63bc11..eb5cf3dc60ab 100644
--- a/packages/jest-runtime/src/__tests__/script_transformer.test.js
+++ b/packages/jest-runtime/src/__tests__/script_transformer.test.js
@@ -334,7 +334,7 @@ describe('ScriptTransformer', () => {
     ).toBeCalledWith(result.sourceMapPath, sourceMap, {encoding: 'utf8'});
   });
 
-  it('does not write source map if mapCoverage option is false', () => {
+  it('writes source maps if given by the transformer', () => {
     config = Object.assign(config, {
       transform: [['^.+\\.js$', 'preprocessor-with-sourcemaps']],
     });
@@ -350,6 +350,29 @@ describe('ScriptTransformer', () => {
       map,
     });
 
+    const result = scriptTransformer.transform('/fruits/banana.js', {
+      collectCoverage: true,
+      mapCoverage: false,
+    });
+    expect(result.sourceMapPath).toEqual(expect.any(String));
+    expect(
+      writeFileAtomic.sync,
+    ).toBeCalledWith(result.sourceMapPath, JSON.stringify(map), {
+      encoding: 'utf8',
+    });
+  });
+
+  it('does not write source map if not given by the transformer', () => {
+    config = Object.assign(config, {
+      transform: [['^.+\\.js$', 'preprocessor-with-sourcemaps']],
+    });
+    const scriptTransformer = new ScriptTransformer(config);
+
+    require('preprocessor-with-sourcemaps').process.mockReturnValue({
+      code: 'content',
+      map: null,
+    });
+
     const result = scriptTransformer.transform('/fruits/banana.js', {
       collectCoverage: true,
       mapCoverage: false,
diff --git a/packages/jest-runtime/src/__tests__/test_root/sourcemaps/out/throwing-mapped-fn.js b/packages/jest-runtime/src/__tests__/test_root/sourcemaps/out/throwing-mapped-fn.js
new file mode 100644
index 000000000000..398191b191e3
--- /dev/null
+++ b/packages/jest-runtime/src/__tests__/test_root/sourcemaps/out/throwing-mapped-fn.js
@@ -0,0 +1,18 @@
+'use strict';
+
+Object.defineProperty(exports, '__esModule', {
+  value: true,
+});
+exports.sum = sum;
+/**
+ * Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ */
+
+function sum() {
+  throw new Error('throwing fn');
+}
+//# sourceMappingURL=throwing-mapped-fn.js.map
diff --git a/packages/jest-runtime/src/__tests__/test_root/sourcemaps/out/throwing-mapped-fn.js.map b/packages/jest-runtime/src/__tests__/test_root/sourcemaps/out/throwing-mapped-fn.js.map
new file mode 100644
index 000000000000..2caa28803e83
--- /dev/null
+++ b/packages/jest-runtime/src/__tests__/test_root/sourcemaps/out/throwing-mapped-fn.js.map
@@ -0,0 +1 @@
+{"version":3,"sources":["../throwing-mapped-fn.js"],"names":["sum","Error"],"mappings":";;;;;QAQgBA,G,GAAAA,G;AARhB;;;;;;;;AAQO,SAASA,GAAT,GAAe;AACpB,QAAM,IAAIC,KAAJ,CAAU,aAAV,CAAN;AACD","file":"throwing-mapped-fn.js","sourcesContent":["/**\n * Copyright (c) 2014-present, Facebook, Inc. All rights reserved.\n *\n * This source code is licensed under the BSD-style license found in the\n * LICENSE file in the root directory of this source tree. An additional grant\n * of patent rights can be found in the PATENTS file in the same directory.\n */\n\nexport function sum() {\n  throw new Error('throwing fn');\n};\n"]}
\ No newline at end of file
diff --git a/packages/jest-runtime/src/__tests__/test_root/sourcemaps/throwing-mapped-fn.js b/packages/jest-runtime/src/__tests__/test_root/sourcemaps/throwing-mapped-fn.js
new file mode 100644
index 000000000000..bceeffafaf2d
--- /dev/null
+++ b/packages/jest-runtime/src/__tests__/test_root/sourcemaps/throwing-mapped-fn.js
@@ -0,0 +1,11 @@
+/**
+ * Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ */
+
+export function sum() {
+  throw new Error('throwing fn');
+}
diff --git a/packages/jest-runtime/src/script_transformer.js b/packages/jest-runtime/src/script_transformer.js
index a8d76d16dcaf..cea308731189 100644
--- a/packages/jest-runtime/src/script_transformer.js
+++ b/packages/jest-runtime/src/script_transformer.js
@@ -238,8 +238,6 @@ export default class ScriptTransformer {
           transformed.map = inlineSourceMap.toJSON();
         }
       }
-    } else {
-      transformed.map = null;
     }
 
     // That means that the transform has a custom instrumentation
@@ -252,7 +250,7 @@ export default class ScriptTransformer {
       code = transformed.code;
     }
 
-    if (instrument && transformed.map && mapCoverage) {
+    if (transformed.map) {
       const sourceMapContent =
         typeof transformed.map === 'string'
           ? transformed.map
diff --git a/yarn.lock b/yarn.lock
index d1eade80989c..4e9df37dfd19 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5432,6 +5432,12 @@ source-map-support@^0.4.15:
   dependencies:
     source-map "^0.5.6"
 
+source-map-support@^0.5.0:
+  version "0.5.0"
+  resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.0.tgz#2018a7ad2bdf8faf2691e5fddab26bed5a2bacab"
+  dependencies:
+    source-map "^0.6.0"
+
 source-map@^0.4.4:
   version "0.4.4"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.4.4.tgz#eba4f5da9c0dc999de68032d8b4f76173652036b"
@@ -5442,6 +5448,10 @@ source-map@^0.5.3, source-map@^0.5.6, source-map@~0.5.1, source-map@~0.5.3:
   version "0.5.7"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.7.tgz#8a039d2d1021d22d1ea14c80d8ea468ba2ef3fcc"
 
+source-map@^0.6.0:
+  version "0.6.1"
+  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.6.1.tgz#74722af32e9614e9c287a8d0bbde48b5e2f1a263"
+
 source-map@~0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.2.0.tgz#dab73fbcfc2ba819b4de03bd6f6eaa48164b3f9d"