diff --git a/dScripts/FvBounceOverWall.h b/dScripts/FvBounceOverWall.h
index c0a6e6d0..875122c9 100644
--- a/dScripts/FvBounceOverWall.h
+++ b/dScripts/FvBounceOverWall.h
@@ -1,3 +1,4 @@
+#pragma once
 #include "CppScripts.h"
 
 class FvBounceOverWall : public CppScripts::Script