diff --git a/panel/lxqtpanel.cpp b/panel/lxqtpanel.cpp
index 4c4607ffc..545617bb4 100644
--- a/panel/lxqtpanel.cpp
+++ b/panel/lxqtpanel.cpp
@@ -1486,7 +1486,7 @@ QRect LXQtPanel::calculatePopupWindowPos(const ILXQtPanelPlugin *plugin, const Q
     }
 
     // Note: assuming there are not contentMargins around the "BackgroundWidget" (LXQtPanelWidget)
-    return calculatePopupWindowPos(mGeometry.topLeft() + panel_plugin->geometry().topLeft(), windowSize);
+    return calculatePopupWindowPos(mapToGlobal(panel_plugin->geometry().topLeft()), windowSize);
 }