diff --git a/wolfcrypt/src/sp_int.c b/wolfcrypt/src/sp_int.c
index ddfc35170..a8d84cf3e 100644
--- a/wolfcrypt/src/sp_int.c
+++ b/wolfcrypt/src/sp_int.c
@@ -598,7 +598,7 @@ static WC_INLINE sp_int_digit sp_div_word(sp_int_digit hi, sp_int_digit lo,
         : "cc"
     );
     return lo;
-#elif _MSC_VER >= 1920
+#elif defined(_MSC_VER) && _MSC_VER >= 1920
     return _udiv128(hi, lo, d, NULL);
 #endif
 }