diff --git a/src/gtk/window.cpp b/src/gtk/window.cpp
index ab595ed612..1fe968ef99 100644
--- a/src/gtk/window.cpp
+++ b/src/gtk/window.cpp
@@ -3477,6 +3477,9 @@ void wxWindowGTK::SetLayoutDirection(wxLayoutDirection dir)
         return;
 
     GTKSetLayout(m_widget, dir);
+    
+    if (m_wxwindow)
+        GTKSetLayout(m_widget, dir);
 }
 
 void wxWindowGTK::DoMoveInTabOrder(wxWindow *win, MoveKind move)