diff --git a/lib/modules/auth/phone/PhoneAuthListener.js b/lib/modules/auth/phone/PhoneAuthListener.js
index 36a8a2ac..982a2e10 100644
--- a/lib/modules/auth/phone/PhoneAuthListener.js
+++ b/lib/modules/auth/phone/PhoneAuthListener.js
@@ -32,6 +32,7 @@ export default class PhoneAuthListener {
   _timeout: number;
   _publicEvents: Object;
   _internalEvents: Object;
+  _forceResending: boolean;
   _reject: Function | null;
   _resolve: Function | null;
   _credential: Object | null;