diff --git a/vl.c b/vl.c
index f368d9bba20b2242ef40545a25eef7fb08a3f449..87bb1bcd50f49e0f1eb55e453f38a6d3b4ee1e5e 100644
--- a/vl.c
+++ b/vl.c
@@ -4405,8 +4405,11 @@ static int create_pidfile(const char *filename)
     if (fd == -1)
         return -1;
 
+    /* XXX: No locking for Win32 implemented */
+#ifndef _WIN32
     if (lockf(fd, F_TLOCK, 0) == -1)
         return -1;
+#endif
 
     len = snprintf(buffer, sizeof(buffer), "%ld\n", (long)getpid());
     if (write(fd, buffer, len) != len)