diff --git a/test/test-utils.js b/test/test-utils.js
index 975a4df0ee..25df9686ff 100644
--- a/test/test-utils.js
+++ b/test/test-utils.js
@@ -256,6 +256,7 @@ export function mkStubRoom(roomId = null) {
         getAccountData: () => null,
         hasMembershipState: () => null,
         getVersion: () => '1',
+        getMyMembership: () => "join",
         currentState: {
             getStateEvents: sinon.stub(),
             mayClientSendStateEvent: sinon.stub().returns(true),