diff --git a/js/gdm/loginDialog.js b/js/gdm/loginDialog.js
index 81ccb54ea..8f8544ae9 100644
--- a/js/gdm/loginDialog.js
+++ b/js/gdm/loginDialog.js
@@ -1217,7 +1217,7 @@ const LoginDialog = new Lang.Class({
     _onOpened: function() {
         Main.ctrlAltTabManager.addGroup(this.dialogLayout,
                                         _("Login Window"),
-                                        'dialog-password',
+                                        'dialog-password-symbolic',
                                         { sortGroup: CtrlAltTab.SortGroup.MIDDLE });
 
     },