diff --git a/core/src/requests/uploads.rs b/core/src/requests/uploads.rs
index fe482e3..cd5ebb2 100644
--- a/core/src/requests/uploads.rs
+++ b/core/src/requests/uploads.rs
@@ -86,7 +86,8 @@ pub mod abort {
         pub upload: file::Id,
     }
 
-    pub type Ok = True;
+    #[data(copy)]
+    pub struct Ok(pub True);
 
     #[data(error)]
     pub enum Err {