diff --git a/src/extension-support/extension-manager.js b/src/extension-support/extension-manager.js
index 8a12009a..8b4b9188 100644
--- a/src/extension-support/extension-manager.js
+++ b/src/extension-support/extension-manager.js
@@ -339,7 +339,7 @@ class ExtensionManager {
         if (e) {
             workerInfo.reject(e);
         } else {
-            workerInfo.resolve(id);
+            workerInfo.resolve();
         }
     }