diff --git a/source/lib/sysdep/win/wtime.cpp b/source/lib/sysdep/win/wtime.cpp
index 482534f0ef..e98d3cf8e3 100755
--- a/source/lib/sysdep/win/wtime.cpp
+++ b/source/lib/sysdep/win/wtime.cpp
@@ -489,7 +489,6 @@ static unsigned __stdcall calibration_thread(void* data)
 		calibrate();
 	}
 
-	CloseHandle(hExitEvent);
 	return 0;
 }