diff --git a/packages/common/.babelrc b/packages/common/.babelrc
index 207f0fc65..c95368205 100644
--- a/packages/common/.babelrc
+++ b/packages/common/.babelrc
@@ -7,6 +7,9 @@
     "transform-regenerator",
     "transform-object-rest-spread",
     "transform-async-to-generator",
-    "transform-flow-strip-types"
+    "transform-flow-strip-types",
+    ["babel-plugin-transform-builtin-extend", {
+      "globals": ["Error", "Array"]
+    }]
   ]
 }
diff --git a/packages/common/package.json b/packages/common/package.json
index 1c905c961..c3fb007fd 100644
--- a/packages/common/package.json
+++ b/packages/common/package.json
@@ -45,6 +45,7 @@
     "babel-loader": "^6.2.7",
     "babel-plugin-syntax-async-functions": "^6.13.0",
     "babel-plugin-transform-async-to-generator": "^6.16.0",
+    "babel-plugin-transform-builtin-extend": "^1.1.0",
     "babel-plugin-transform-flow-strip-types": "^6.21.0",
     "babel-plugin-transform-object-rest-spread": "^6.16.0",
     "babel-plugin-transform-regenerator": "^6.16.1",
diff --git a/packages/common/src/errors.js b/packages/common/src/errors.js
index 3cbc5e64c..215ea6a81 100644
--- a/packages/common/src/errors.js
+++ b/packages/common/src/errors.js
@@ -9,6 +9,7 @@ export class AccountsError extends Error {
   epochTime: number;
 
   constructor(message: string, loginInfo?: PasswordLoginUserType, errorCode?: string | number) {
+    console.log(message);
     super(message);
     this.epochTime = Date.now();
 
diff --git a/packages/common/src/errors.spec.js b/packages/common/src/errors.spec.js
index 127e0b0c9..64cd3cc11 100644
--- a/packages/common/src/errors.spec.js
+++ b/packages/common/src/errors.spec.js
@@ -26,26 +26,21 @@ describe('AccountsError class', () => {
     }
   });
 
+  it('should be able to serialize into a string', () => {
+    try {
+      throws();
+    } catch (e) {
+      expect(e.serialize()).toBe(
+        // eslint-disable-next-line prefer-template
+        '{"message":"Validation Error",' +
+        '"loginInfo":{"username":"user"},' +
+        '"errorCode":"ACCOUNTS:1",' +
+        '"epochTime":' + e.epochTime + '}',
+      );
+    }
+  });
 
-  // NB: For some reason it seems jest have different Error class
-  // it retain fields but our tests fail
-  // it('should be able to serialize into a string', () => {
-  //   try {
-  //     throws();
-  //   } catch (e) {
-  //     expect(e.serialize()).toBe(
-  //       '{"message": "Validation Error", ' +
-  //       '"loginInfo": { "username": "user" }, ' +
-  //       '"errorCode": "ACCOUNTS:1" }'
-  //     );
-  //   }
-  // });
-  //
-  // it('should be easily distinguished from other errors', () => {
-  //   try {
-  //     throws();
-  //   } catch (e) {
-  //     expect(e instanceof AccountsError).toBeTruthy();
-  //   }
-  // });
+  it('should be easily distinguished from other errors', () => {
+    expect(throws).toThrowError(AccountsError);
+  });
 });