diff --git a/.travis.yml b/.travis.yml
index 1cefdc63b..5a47d859c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,6 +13,7 @@ script:
   - npm run test-cov
 
 env:
+  - TYPESCRIPT=typescript@1.5
   - TYPESCRIPT=typescript@1.6
   - TYPESCRIPT=typescript@1.7
   - TYPESCRIPT=typescript@next
diff --git a/src/ts-node.spec.ts b/src/ts-node.spec.ts
index 401373e58..5881a75c9 100644
--- a/src/ts-node.spec.ts
+++ b/src/ts-node.spec.ts
@@ -4,7 +4,7 @@ import { join } from 'path'
 import proxyquire = require('proxyquire')
 import { register, VERSION } from './ts-node'
 
-const cwd = join(__dirname, '../src')
+const cwd = join(__dirname, '../tests')
 const BIN_EXEC = `node ${join(__dirname, '../dist/bin/ts-node')} --project "${cwd}"`
 
 describe('ts-node', function () {
diff --git a/tests/tsconfig.json b/tests/tsconfig.json
new file mode 100644
index 000000000..32a18c168
--- /dev/null
+++ b/tests/tsconfig.json
@@ -0,0 +1,14 @@
+{
+  "compilerOptions": {
+    "target": "es5",
+    "outDir": "dist",
+    "module": "commonjs",
+    "declaration": true,
+    "noImplicitAny": true,
+    "removeComments": true,
+    "sourceMap": true
+  },
+  "files": [
+    "../typings/main.d.ts"
+  ]
+}