diff --git a/3rdparty/astc/mathlib.h b/3rdparty/astc/mathlib.h
index 364ef07..74c2b77 100644
--- a/3rdparty/astc/mathlib.h
+++ b/3rdparty/astc/mathlib.h
@@ -27,7 +27,7 @@ float cospi(float p);
 
 float nan(int p);
 
-#if __cplusplus < 201103L
+#if (!_MSC_VER) && (__cplusplus < 201103L)
 float fmax(float p, float q);
 float fmin(float p, float q);
 #endif  // C++11