diff --git a/js/gdm/util.js b/js/gdm/util.js
index 1facf9881..9557c66a0 100644
--- a/js/gdm/util.js
+++ b/js/gdm/util.js
@@ -148,8 +148,10 @@ const ShellUserVerifier = new Lang.Class({
         if (this._cancellable)
             this._cancellable.cancel();
 
-        if (this._userVerifier)
+        if (this._userVerifier) {
             this._userVerifier.call_cancel_sync(null);
+            this.clear();
+        }
     },
 
     clear: function() {