diff --git a/lib/bitop/bit.cpp b/lib/bitop/bit.cpp
index 39b53838f..9957ab5c2 100644
--- a/lib/bitop/bit.cpp
+++ b/lib/bitop/bit.cpp
@@ -37,8 +37,8 @@ extern "C" {
 #include "lauxlib.h"
 }
 
-#ifdef _MSC_VER
-/* MSVC is stuck in the last century and doesn't have C99's stdint.h. */
+#if defined(_MSC_VER) && (_MSC_VER < 1700)
+/* Old MSVC is stuck in the last century and doesn't have C99's stdint.h. */
 typedef __int32 int32_t;
 typedef unsigned __int32 uint32_t;
 typedef unsigned __int64 uint64_t;