diff --git a/engine/physics/HitBox.cpp b/engine/physics/HitBox.cpp
index 64564c1..337a897 100644
--- a/engine/physics/HitBox.cpp
+++ b/engine/physics/HitBox.cpp
@@ -3,6 +3,7 @@
 //
 
 #include <set>
+#include <cmath>
 
 #include "HitBox.h"
 #include "../Consts.h"