diff --git a/atom/browser/api/atom_api_web_contents.cc b/atom/browser/api/atom_api_web_contents.cc
index fd7f0ae70541..6cb9efb9614f 100644
--- a/atom/browser/api/atom_api_web_contents.cc
+++ b/atom/browser/api/atom_api_web_contents.cc
@@ -749,6 +749,7 @@ std::string WebContents::GetType() const {
     case BROWSER_WINDOW: return "window";
     case WEB_VIEW: return "webview";
     case REMOTE: return "remote";
+    default: return "";
   }
 }