diff --git a/src/timegm.h b/src/timegm.h
index 2d4a09ae..153ec15e 100644
--- a/src/timegm.h
+++ b/src/timegm.h
@@ -7,7 +7,7 @@
 #define TIMEGM_H_
 
 /* Visual Studio C++ 2005 (8.0) uses 64 bit time_t, which doesn't work */
-#if defined _MSV_VER && _MSC_VER >= 1400
+#if defined _MSC_VER && _MSC_VER >= 1400
 # define _USE_32BIT_TIME_T
 #endif