diff --git a/win32/libssh2_config.h b/win32/libssh2_config.h
index 3e3caf4a..6ac2ef43 100644
--- a/win32/libssh2_config.h
+++ b/win32/libssh2_config.h
@@ -24,6 +24,7 @@
 #define HAVE_SELECT
 
 #ifdef _MSC_VER
+#if _MSC_VER < 1900
 #define snprintf _snprintf
 #if _MSC_VER < 1500
 #define vsnprintf _vsnprintf
@@ -31,6 +32,7 @@
 #define strdup _strdup
 #define strncasecmp _strnicmp
 #define strcasecmp _stricmp
+#endif
 #else
 #ifndef __MINGW32__
 #define strncasecmp strnicmp