diff --git a/include/config-win.h b/include/config-win.h
index b4b9a59a067..74b2ae71017 100644
--- a/include/config-win.h
+++ b/include/config-win.h
@@ -135,6 +135,11 @@ typedef uint rf_SetTimer;
 #define HAVE_NAMED_PIPE			/* We can only create pipes on NT */
 #endif
 
+/* We need to close files to break connections on shutdown */
+#ifndef SIGNAL_WITH_VIO_CLOSE
+#define SIGNAL_WITH_VIO_CLOSE
+#endif
+
 /* Use all character sets in MySQL */
 #define USE_MB 1
 #define USE_MB_IDENT 1