diff --git a/TileEngine/Map Edgepoints.cpp b/TileEngine/Map Edgepoints.cpp
index 87c43b232..9cccb4934 100644
--- a/TileEngine/Map Edgepoints.cpp	
+++ b/TileEngine/Map Edgepoints.cpp	
@@ -1,3 +1,4 @@
+	#include <cmath>		// added by Flugente
 #ifdef PRECOMPILEDHEADERS
 	#include "TileEngine All.h"
 #else