diff --git a/lib/browser/api/app.js b/lib/browser/api/app.js
index 00c2dd9f804..5d6e463743a 100644
--- a/lib/browser/api/app.js
+++ b/lib/browser/api/app.js
@@ -67,6 +67,7 @@ app.getAppMetrics = () => {
       deprecate.removeProperty(metric, 'memory')
     }
   }
+  return metrics
 }
 
 app.isPackaged = (() => {