diff --git a/bin/named/win32/os.c b/bin/named/win32/os.c
index f89c50da41..5d502237b0 100644
--- a/bin/named/win32/os.c
+++ b/bin/named/win32/os.c
@@ -350,9 +350,9 @@ ns_os_shutdown(void) {
 	if (lockfilefd != -1) {
 		(void) UnlockFile((HANDLE) _get_osfhandle(lockfilefd),
 				  0, 0, 0, 1);
-		close(lockfilefd);
-		lockfilefd = -1;
 	}
+	cleanup_lockfile();
+
 	ntservice_shutdown();	/* This MUST be the last thing done */
 }