diff --git a/src/msw/thread.cpp b/src/msw/thread.cpp
index 3aaeb7d0f3..7213f4dc8e 100644
--- a/src/msw/thread.cpp
+++ b/src/msw/thread.cpp
@@ -1173,6 +1173,8 @@ wxThreadError wxThread::Kill()
 
 void wxThread::Exit(ExitCode status)
 {
+    wxThreadInternal::DoThreadOnExit(this);
+
     m_internal->Free();
 
     if ( IsDetached() )