diff --git a/WickedEngine/wiScene.h b/WickedEngine/wiScene.h
index 43cfc30c5..2e2b6cde9 100644
--- a/WickedEngine/wiScene.h
+++ b/WickedEngine/wiScene.h
@@ -33,7 +33,7 @@ namespace wi::scene
 		wi::ecs::ComponentManager<TransformComponent>& transforms = componentLibrary.Register<TransformComponent>("wi::scene::Scene::transforms");
 		wi::ecs::ComponentManager<HierarchyComponent>& hierarchy = componentLibrary.Register<HierarchyComponent>("wi::scene::Scene::hierarchy");
 		wi::ecs::ComponentManager<MaterialComponent>& materials = componentLibrary.Register<MaterialComponent>("wi::scene::Scene::materials", 8); // version = 8
-		wi::ecs::ComponentManager<MeshComponent>& meshes = componentLibrary.Register<MeshComponent>("wi::scene::Scene::meshes", 3); // version = 3
+		wi::ecs::ComponentManager<MeshComponent>& meshes = componentLibrary.Register<MeshComponent>("wi::scene::Scene::meshes", 4); // version = 4
 		wi::ecs::ComponentManager<ImpostorComponent>& impostors = componentLibrary.Register<ImpostorComponent>("wi::scene::Scene::impostors");
 		wi::ecs::ComponentManager<ObjectComponent>& objects = componentLibrary.Register<ObjectComponent>("wi::scene::Scene::objects", 4); // version = 4
 		wi::ecs::ComponentManager<RigidBodyPhysicsComponent>& rigidbodies = componentLibrary.Register<RigidBodyPhysicsComponent>("wi::scene::Scene::rigidbodies", 4); // version = 4
diff --git a/WickedEngine/wiScene_Components.h b/WickedEngine/wiScene_Components.h
index 2ff71fd22..4f341a8c9 100644
--- a/WickedEngine/wiScene_Components.h
+++ b/WickedEngine/wiScene_Components.h
@@ -391,6 +391,7 @@ namespace wi::scene
 
 		struct MeshSubset
 		{
+			std::string surfaceName; // custom identifier for user, not used by engine
 			wi::ecs::Entity materialID = wi::ecs::INVALID_ENTITY;
 			uint32_t indexOffset = 0;
 			uint32_t indexCount = 0;
diff --git a/WickedEngine/wiScene_Serializers.cpp b/WickedEngine/wiScene_Serializers.cpp
index 6855a7d40..de64e70c7 100644
--- a/WickedEngine/wiScene_Serializers.cpp
+++ b/WickedEngine/wiScene_Serializers.cpp
@@ -445,6 +445,10 @@ namespace wi::scene
 				SerializeEntity(archive, subsets[i].materialID, seri);
 				archive >> subsets[i].indexOffset;
 				archive >> subsets[i].indexCount;
+				if (seri.GetVersion() >= 4)
+				{
+					archive >> subsets[i].surfaceName;
+				}
 			}
 
 			archive >> tessellationFactor;
@@ -535,6 +539,10 @@ namespace wi::scene
 				SerializeEntity(archive, subsets[i].materialID, seri);
 				archive << subsets[i].indexOffset;
 				archive << subsets[i].indexCount;
+				if (seri.GetVersion() >= 4)
+				{
+					archive << subsets[i].surfaceName;
+				}
 			}
 
 			archive << tessellationFactor;
diff --git a/WickedEngine/wiVersion.cpp b/WickedEngine/wiVersion.cpp
index 8db526e4f..e420a87c4 100644
--- a/WickedEngine/wiVersion.cpp
+++ b/WickedEngine/wiVersion.cpp
@@ -9,7 +9,7 @@ namespace wi::version
 	// minor features, major updates, breaking compatibility changes
 	const int minor = 71;
 	// minor bug fixes, alterations, refactors, updates
-	const int revision = 568;
+	const int revision = 569;
 
 	const std::string version_string = std::to_string(major) + "." + std::to_string(minor) + "." + std::to_string(revision);