diff --git a/src/port/win32env.c b/src/port/win32env.c
index 18d4b56a90b..789d9725b51 100644
--- a/src/port/win32env.c
+++ b/src/port/win32env.c
@@ -66,6 +66,9 @@ pgwin32_putenv(const char *envval)
 		{
 			"msvcr110", 0, NULL
 		},						/* Visual Studio 2012 */
+		{
+			"msvcr120", 0, NULL
+		},						/* Visual Studio 2013 */
 		{
 			NULL, 0, NULL
 		}