diff --git a/vl.h b/vl.h
index 19681ab958..59ac6935b6 100644
--- a/vl.h
+++ b/vl.h
@@ -44,7 +44,7 @@
 #endif
 
 #ifdef _WIN32
-#define lseek64 lseek
+#define lseek64 _lseeki64
 #endif
 
 #include "cpu.h"