diff --git a/ui/qt/protocol_preferences_menu.cpp b/ui/qt/protocol_preferences_menu.cpp
index 031f2805cb..0a16522b3f 100644
--- a/ui/qt/protocol_preferences_menu.cpp
+++ b/ui/qt/protocol_preferences_menu.cpp
@@ -118,7 +118,7 @@ public:
     }
 
     void showUatDialog() {
-        UatDialog *uat_dlg = new UatDialog(parentWidget(), prefs_get_uat_value(pref_));
+        UatDialog *uat_dlg = new UatDialog(qobject_cast<QWidget*>(parent()), prefs_get_uat_value(pref_));
         connect(uat_dlg, SIGNAL(destroyed(QObject*)), mainApp, SLOT(flushAppSignals()));
         uat_dlg->setWindowModality(Qt::ApplicationModal);
         uat_dlg->setAttribute(Qt::WA_DeleteOnClose);