diff --git a/include/wx/gtk/private/event.h b/include/wx/gtk/private/event.h
index 851fd93710..9811422df3 100644
--- a/include/wx/gtk/private/event.h
+++ b/include/wx/gtk/private/event.h
@@ -62,7 +62,7 @@ template<typename T> void InitMouseEvent(wxWindowGTK *win,
     // Some no-window widgets, notably GtkEntry on GTK3, have a GdkWindow
     // covering part of their area. Event coordinates from that window are
     // not relative to the widget, so do the conversion here.
-    if (!gtk_widget_get_has_window(win->m_widget) &&
+    if (win->m_wxwindow == nullptr && !gtk_widget_get_has_window(win->m_widget) &&
         gtk_widget_get_window(win->m_widget) == gdk_window_get_parent(gdk_event->window))
     {
         GtkAllocation a;