1 files changed, 1 insertions, 1 deletions
diff --git a/regex.c b/regex.c
index b2e25fcf67..206e99a0ca 100644
--- a/regex.c
+++ b/regex.c
@@ -51,7 +51,7 @@
 # include <sys/types.h>
 #endif
 
-#ifndef __STDC__
+#if !defined(__STDC__) && !defined(_MSC_VER)
 # define volatile
 #endif