diff --git a/update_macros/src/lib.rs b/update_macros/src/lib.rs
index 2ea7edb..e677e07 100644
--- a/update_macros/src/lib.rs
+++ b/update_macros/src/lib.rs
@@ -123,6 +123,6 @@ pub fn derive_resource(input: TokenStream) -> TokenStream {
     let implementor = ast.ident;
 
     TokenStream::from(quote! {
-        impl Resource for #implementor {}
+        impl ecs::Resource for #implementor {}
     })
 }