diff --git a/spec/unit/matrix-client.spec.js b/spec/unit/matrix-client.spec.js
index 3fcefd61d..a50e89fa9 100644
--- a/spec/unit/matrix-client.spec.js
+++ b/spec/unit/matrix-client.spec.js
@@ -386,6 +386,7 @@ describe("MatrixClient", function() {
                 }
             });
             client.setGuestRooms(roomIds);
+            client.setGuest(true);
             client.startClient();
         });
     });