diff --git a/lcl/interfaces/gtk2/gtk2wsstdctrls.pp b/lcl/interfaces/gtk2/gtk2wsstdctrls.pp
index d9efcaf8aa..6e9b93aa7d 100644
--- a/lcl/interfaces/gtk2/gtk2wsstdctrls.pp
+++ b/lcl/interfaces/gtk2/gtk2wsstdctrls.pp
@@ -1818,9 +1818,8 @@ begin
     g_signal_connect_after(AMenu, 'selection-done', G_CALLBACK(@GtkPopupHideCB), AWidgetInfo);
   end;
 
-  if TCustomComboBox(AWinControl).Style.HasEditBox then
-    g_signal_connect_after(PGtkObject(GTK_BIN(ComboWidget)^.child), 'populate-popup',
-      gtk_signal_func(@gtkDefaultPopupMenuCloseFix), AWidgetInfo);
+  g_signal_connect_after(PGtkObject(GTK_BIN(ComboWidget)^.child), 'populate-popup',
+    gtk_signal_func(@gtkDefaultPopupMenuCloseFix), AWidgetInfo);
 
   if (gtk_major_version >= 2) and (gtk_minor_version >= 10) then
     g_signal_connect(ComboWidget, 'notify', TGCallback(@GtkNotifyCB), AWidgetInfo);