diff --git a/builds/msvc/version.h b/builds/msvc/version.h
index dfca8fa3..3e6f2612 100644
--- a/builds/msvc/version.h
+++ b/builds/msvc/version.h
@@ -1,6 +1,6 @@
 
-#ifndef __SODIUM_VERSION_H__
-#define __SODIUM_VERSION_H__
+#ifndef sodium_version_H
+#define sodium_version_H
 
 #include "export.h"