diff --git a/src/vs/workbench/parts/extensions/test/electron-browser/extensionsWorkbenchService.test.ts b/src/vs/workbench/parts/extensions/test/electron-browser/extensionsWorkbenchService.test.ts
index 82abe57f85a..4bffa4a1c29 100644
--- a/src/vs/workbench/parts/extensions/test/electron-browser/extensionsWorkbenchService.test.ts
+++ b/src/vs/workbench/parts/extensions/test/electron-browser/extensionsWorkbenchService.test.ts
@@ -8,6 +8,7 @@
 import * as sinon from 'sinon';
 import * as assert from 'assert';
 import * as fs from 'fs';
+import * as path from 'path';
 import { assign } from 'vs/base/common/objects';
 import { TPromise } from 'vs/base/common/winjs.base';
 import { generateUuid } from 'vs/base/common/uuid';
@@ -39,7 +40,6 @@ import { IDialogService } from 'vs/platform/dialogs/common/dialogs';
 import { INotificationService } from 'vs/platform/notification/common/notification';
 import { URLService } from 'vs/platform/url/common/urlService';
 import URI from 'vs/base/common/uri';
-import { join } from 'vs/base/common/paths';
 
 suite('ExtensionsWorkbenchService Test', () => {
 
@@ -194,8 +194,8 @@ suite('ExtensionsWorkbenchService Test', () => {
 		assert.equal('1.1.0', actual.version);
 		assert.equal('1.1.0', actual.latestVersion);
 		assert.equal('localDescription1', actual.description);
-		assert.equal(URI.file(join('localPath1', 'localIcon1')).toString(), actual.iconUrl);
-		assert.equal(URI.file(join('localPath1', 'localIcon1')).toString(), actual.iconUrlFallback);
+		assert.equal(expected1.location.with({ path: path.join(expected1.location.path, 'localIcon1') }).toString(), actual.iconUrl);
+		assert.equal(expected1.location.with({ path: path.join(expected1.location.path, 'localIcon1') }).toString(), actual.iconUrlFallback);
 		assert.equal(null, actual.licenseUrl);
 		assert.equal(ExtensionState.Installed, actual.state);
 		assert.equal(null, actual.installCount);