diff --git a/lib/HeroBonus.h b/lib/HeroBonus.h
index db81b354c..a88b7b2c5 100644
--- a/lib/HeroBonus.h
+++ b/lib/HeroBonus.h
@@ -614,7 +614,7 @@ public:
 	const TBonusListPtr getSpellBonuses() const;
 };
 
-class DLL_LINKAGE CBonusSystemNode : public IBonusBearer
+class DLL_LINKAGE CBonusSystemNode : public IBonusBearer, public boost::noncopyable
 {
 public:
 	enum ENodeTypes