diff --git a/interface/src/Orientation.h b/interface/src/Orientation.h
index 217366f8ef..30979c48ff 100755
--- a/interface/src/Orientation.h
+++ b/interface/src/Orientation.h
@@ -8,7 +8,7 @@
 #ifndef __interface__orientation__
 #define __interface__orientation__
 
-#include "Math.h"
+#include <Math.h>
 #include "Vector3D.h"
 
 enum Axis