diff --git a/src/server/game/Entities/Object/Position.h b/src/server/game/Entities/Object/Position.h
index 98b5ecfb2..98f51e86b 100644
--- a/src/server/game/Entities/Object/Position.h
+++ b/src/server/game/Entities/Object/Position.h
@@ -18,6 +18,7 @@
 #ifndef ACore_game_Position_h__
 #define ACore_game_Position_h__
 
+#include <cmath>
 #include "Common.h"
 #include "G3D/Vector3.h"