diff --git a/FxEngine/math/coord.cpp b/FxEngine/math/coord.cpp
index 74b39a0..44da9f8 100644
--- a/FxEngine/math/coord.cpp
+++ b/FxEngine/math/coord.cpp
@@ -1,5 +1,7 @@
 #include "coord.h"
 
+#include "angle.h"
+
 void FE_Coord::calc()
 {
 	transformed=original-real;