diff --git a/cumulus/pallets/parachain-system/src/lib.rs b/cumulus/pallets/parachain-system/src/lib.rs
index 79b8815b3b..90c832eb0c 100644
--- a/cumulus/pallets/parachain-system/src/lib.rs
+++ b/cumulus/pallets/parachain-system/src/lib.rs
@@ -258,7 +258,7 @@ decl_module! {
 		}
 
 		#[weight = 1_000_000]
-		fn enact_authorized_upgrade(origin, code: Vec<u8>) {
+		fn enact_authorized_upgrade(_origin, code: Vec<u8>) -> DispatchResultWithPostInfo {
 			// No ensure origin on purpose. We validate by checking the code vs hash in storage.
 			let required_hash = AuthorizedUpgrade::<T>::get()
 				.ok_or(Error::<T>::NothingAuthorized)?;
@@ -266,6 +266,7 @@ decl_module! {
 			ensure!(actual_hash == required_hash, Error::<T>::Unauthorized);
 			Self::set_code_impl(code)?;
 			AuthorizedUpgrade::<T>::kill();
+			Ok(Pays::No.into())
 		}
 
 		fn on_finalize() {