diff --git a/mock-dev.js b/mock-dev.js
index a47f1ed4d..0a3eb12ce 100644
--- a/mock-dev.js
+++ b/mock-dev.js
@@ -62,6 +62,7 @@ const controller = new MetamaskController({
   showUnconfirmedMessage: noop,
   unlockAccountMessage: noop,
   showUnapprovedTx: noop,
+  platform: {},
   // initial state
   initState: firstTimeState,
 })
diff --git a/test/unit/metamask-controller-test.js b/test/unit/metamask-controller-test.js
index 5ee0a6c84..ef6cae758 100644
--- a/test/unit/metamask-controller-test.js
+++ b/test/unit/metamask-controller-test.js
@@ -10,6 +10,7 @@ describe('MetaMaskController', function () {
     showUnconfirmedMessage: noop,
     unlockAccountMessage: noop,
     showUnapprovedTx: noop,
+    platform: {},
     // initial state
     initState: clone(firstTimeState),
   })