diff --git a/src/createRoom.js b/src/createRoom.js
index 658561e78a..c00eca0486 100644
--- a/src/createRoom.js
+++ b/src/createRoom.js
@@ -64,7 +64,7 @@ function createRoom(opts) {
         }
     ];
 
-    var modal = Modal.createDialog(Loader);
+    var modal = Modal.createDialog(Loader, null, 'mx_Dialog_spinner');
 
     return client.createRoom(createOpts).finally(function() {
         modal.close();