diff --git a/src/osx/window_osx.cpp b/src/osx/window_osx.cpp
index d5a4f2a756..9f47e712ed 100644
--- a/src/osx/window_osx.cpp
+++ b/src/osx/window_osx.cpp
@@ -1858,7 +1858,7 @@ bool wxWindowMac::MacDoRedraw( long time )
     {
         // paint the window itself
 
-        wxPaintEvent event;
+        wxPaintEvent event(GetId());
         event.SetTimestamp(time);
         event.SetEventObject(this);
         handled = HandleWindowEvent(event);