diff --git a/base/compat.h b/base/compat.h
index cd47806265..e8e9621cf9 100644
--- a/base/compat.h
+++ b/base/compat.h
@@ -2,7 +2,7 @@
 
 // Implement C99 functions and similar that are missing in MSVC.
 
-#ifdef _MSC_VER
+#if defined(_MSC_VER) && _MSC_VER < 1900
 
 int c99_snprintf(char* str, size_t size, const char* format, ...);
 #define snprintf c99_snprintf
diff --git a/ext/libzip/zipint.h b/ext/libzip/zipint.h
index f7e3c34b8b..26e9b73280 100644
--- a/ext/libzip/zipint.h
+++ b/ext/libzip/zipint.h
@@ -40,7 +40,9 @@
 #define ZIP_EXTERN
 #define fseeko fseek
 #define ftello ftell
+#if _MSC_VER < 1900 
 #define snprintf _snprintf
+#endif
 #ifndef strcasecmp
 #define strcasecmp _stricmp
 #endif
diff --git a/net/url.h b/net/url.h
index b6621f3b6d..dedf44c7db 100644
--- a/net/url.h
+++ b/net/url.h
@@ -7,7 +7,7 @@
 
 #include "base/basictypes.h"
 
-#if defined(_MSC_VER)
+#if defined(_MSC_VER) && _MSC_VER < 1900
 #undef snprintf
 #define snprintf _snprintf
 #endif