diff --git a/lcl/interfaces/gtk/gtkcallback.inc b/lcl/interfaces/gtk/gtkcallback.inc
index 4c0973444c..49d9bca3a4 100644
--- a/lcl/interfaces/gtk/gtkcallback.inc
+++ b/lcl/interfaces/gtk/gtkcallback.inc
@@ -179,8 +179,11 @@ begin
       end;
     end;
 
-    if not (csDesigning in TComponent(Data).ComponentState) then
+    if (csDesigning in TComponent(Data).ComponentState) then begin
+      //DebugLn(['gtkRealizeCB ',dbgsName(TComponent(Data)),' ',GetWidgetDebugReport(Widget)]);
+    end else begin
       RealizeAccelerator(TComponent(Data),Widget);
+    end;
   end;
 end;
 
diff --git a/lcl/interfaces/gtk/gtkproc.inc b/lcl/interfaces/gtk/gtkproc.inc
index 3ab8511e05..d06a04fdac 100644
--- a/lcl/interfaces/gtk/gtkproc.inc
+++ b/lcl/interfaces/gtk/gtkproc.inc
@@ -391,6 +391,10 @@ var
   ClassLen: Integer;
 begin
   Result:='';
+  if Widget=nil then begin
+    Result:='nil';
+    exit;
+  end;
   if (gtk_object_get_class(Widget)=nil) then begin
     Result:='<Widget without class>';
     exit;
@@ -7655,7 +7659,7 @@ begin
   // the client area (like menu)
   Result := gtk_vbox_new(False, 0);
 
-  If FormWidget = nil then
+  if FormWidget = nil then
     FormWidget := Result;
 
   // Create the form client area (a scrolled window with a gtklayout
diff --git a/lcl/interfaces/gtk2/gtk2wsstdctrls.pp b/lcl/interfaces/gtk2/gtk2wsstdctrls.pp
index 85f02e32f9..88d2c20c01 100644
--- a/lcl/interfaces/gtk2/gtk2wsstdctrls.pp
+++ b/lcl/interfaces/gtk2/gtk2wsstdctrls.pp
@@ -992,8 +992,9 @@ begin
   AEntry := PGtkObject(GetComboBoxEntry(PGtkWidget(ComboWidget)));
   APrivate := PGtkComboBoxPrivate(ComboWidget^.priv);
   AButton := PGtkObject(APrivate^.button);
-  
-  // we have to remove the handler gtk sets up because we will never get the mouse down messages
+  //DebugLn(['TGtk2WSCustomComboBox.SetCallbacks ',dbgsName(AWinControl),' AButton=',GetWidgetClassName(PGtkWidget(AButton)),' ComboWidget=',GetWidgetClassName(PGtkWidget(ComboWidget))]);
+
+  // we have to remove the handler gtk sets up to get the mouse down messages
   BtnPressID := g_signal_lookup('button_press_event', GTK_TYPE_COMBO_BOX);
   if AButton<>nil then begin
     HandlerID := g_signal_handler_find(AButton, G_SIGNAL_MATCH_ID, BtnPressID, 0, nil, nil, nil);