diff --git a/src/model.rs b/src/model.rs
index 30d5361..952d7cd 100644
--- a/src/model.rs
+++ b/src/model.rs
@@ -78,7 +78,7 @@ impl MapVertexId for PolygonGroup{
 pub struct TextureId(u32);
 #[derive(Clone,Copy,Hash,id::Id,Eq,PartialEq)]
 pub struct RenderConfigId(u32);
-#[derive(Default)]
+#[derive(Clone,Copy,Default)]
 pub struct RenderConfig{
 	pub texture:Option<TextureId>,
 }