diff --git a/engine/core/math/Sphere.cpp b/engine/core/math/Sphere.cpp
index ea3362aa..83da8391 100644
--- a/engine/core/math/Sphere.cpp
+++ b/engine/core/math/Sphere.cpp
@@ -1,6 +1,8 @@
 #include "Sphere.h"
 
+#define _USE_MATH_DEFINES
 #include <cmath>
+
 #include "Plane.h"
 #include "AABB.h"