diff --git a/lib/CObjectHandler.h b/lib/CObjectHandler.h
index 3171631a2..1b5d6f33c 100644
--- a/lib/CObjectHandler.h
+++ b/lib/CObjectHandler.h
@@ -788,7 +788,7 @@ public:
 
 	template <typename Handler> void serialize(Handler &h, const int version)
 	{
-		h & static_cast<CGObjectInstance&>(*this) & static_cast<CQuest&>(*this);
+		h & static_cast<CArmedInstance&>(*this) & static_cast<CQuest&>(*this);
 		h & rewardType & rID & rVal & seerName;
 	}
 };