diff --git a/sql/threadpool_win.cc b/sql/threadpool_win.cc
index 10d6e96b22f..1e2084b9c07 100644
--- a/sql/threadpool_win.cc
+++ b/sql/threadpool_win.cc
@@ -308,6 +308,7 @@ TP_connection_win::~TP_connection_win()
 
   if (timer)
   {
+    SetThreadpoolTimer(timer, 0, 0, 0);
     WaitForThreadpoolTimerCallbacks(timer, TRUE);
     CloseThreadpoolTimer(timer);
   }