diff --git a/src/nvcore/DefsVcWin32.h b/src/nvcore/DefsVcWin32.h
index cfcf50a..c1b6d36 100644
--- a/src/nvcore/DefsVcWin32.h
+++ b/src/nvcore/DefsVcWin32.h
@@ -19,7 +19,9 @@
 
 // Set standard function names.
 #define snprintf _snprintf
-#define vsnprintf _vsnprintf
+#if _MSC_VER < 1500
+#	define vsnprintf _vsnprintf
+#endif
 #define vsscanf _vsscanf
 #define chdir _chdir
 #define getcwd _getcwd