diff --git a/src/gtk/cursor.cpp b/src/gtk/cursor.cpp
index c419a36837..c233aecccc 100644
--- a/src/gtk/cursor.cpp
+++ b/src/gtk/cursor.cpp
@@ -224,6 +224,8 @@ void wxBeginBusyCursor( wxCursor *WXUNUSED(cursor) )
 
     if (wxTheApp)
         wxTheApp->SendIdleEvents();
+        
+    gdk_flush();
 }
 
 bool wxIsBusy()
diff --git a/src/gtk1/cursor.cpp b/src/gtk1/cursor.cpp
index c419a36837..c233aecccc 100644
--- a/src/gtk1/cursor.cpp
+++ b/src/gtk1/cursor.cpp
@@ -224,6 +224,8 @@ void wxBeginBusyCursor( wxCursor *WXUNUSED(cursor) )
 
     if (wxTheApp)
         wxTheApp->SendIdleEvents();
+        
+    gdk_flush();
 }
 
 bool wxIsBusy()