diff --git a/src/vs/platform/extensionManagement/common/extensionGalleryService.ts b/src/vs/platform/extensionManagement/common/extensionGalleryService.ts
index 068a23e52db..13c11ee6851 100644
--- a/src/vs/platform/extensionManagement/common/extensionGalleryService.ts
+++ b/src/vs/platform/extensionManagement/common/extensionGalleryService.ts
@@ -255,7 +255,7 @@ function getCoreTranslationAssets(version: IRawGalleryExtensionVersion): [string
 function getRepositoryAsset(version: IRawGalleryExtensionVersion): IGalleryExtensionAsset | null {
 	if (version.properties) {
 		const results = version.properties.filter(p => p.key === AssetType.Repository);
-		const gitRegExp = new RegExp('((git|ssh|http(s)?)|(git@[\w.]+))(:(//)?)([\w.@\:/\-~]+)(.git)(/)?');
+		const gitRegExp = new RegExp('((git|ssh|http(s)?)|(git@[\\w.]+))(:(//)?)([\\w.@\:/\\-~]+)(.git)(/)?');
 
 		const uri = results.filter(r => gitRegExp.test(r.value))[0];
 		return uri ? { uri: uri.value, fallbackUri: uri.value } : null;