diff --git a/lib/CModHandler.h b/lib/CModHandler.h
index a5f746693..77fe51547 100644
--- a/lib/CModHandler.h
+++ b/lib/CModHandler.h
@@ -384,8 +384,11 @@ public:
 			h & ATTACK_POINTS_DMG_MULTIPLIER_CAP;
 			h & DEFENSE_POINT_DMG_MULTIPLIER;
 			h & DEFENSE_POINTS_DMG_MULTIPLIER_CAP;
-			h & HERO_STARTING_ARMY_STACKS_COUNT_CHANCES;
-			h & DEFAULT_BUILDING_SET_DWELLING_CHANCES;
+			if(version >= 815)
+			{
+				h & HERO_STARTING_ARMY_STACKS_COUNT_CHANCES;
+				h & DEFAULT_BUILDING_SET_DWELLING_CHANCES;
+			}
 		}
 	} settings;
 
diff --git a/lib/serializer/CSerializer.h b/lib/serializer/CSerializer.h
index 4cd2b9587..0903f8bd8 100644
--- a/lib/serializer/CSerializer.h
+++ b/lib/serializer/CSerializer.h
@@ -14,7 +14,7 @@
 
 VCMI_LIB_NAMESPACE_BEGIN
 
-const ui32 SERIALIZATION_VERSION = 814;
+const ui32 SERIALIZATION_VERSION = 815;
 const ui32 MINIMAL_SERIALIZATION_VERSION = 813;
 const std::string SAVEGAME_MAGIC = "VCMISVG";