diff --git a/mock-dev.js b/mock-dev.js
index b20c3be3a..6563964c3 100644
--- a/mock-dev.js
+++ b/mock-dev.js
@@ -62,6 +62,7 @@ const controller = new MetamaskController({
   // initial state
   initState: firstTimeState,
 })
+global.metamaskController = controller
 
 //
 // User Interface