diff --git a/runtime/polkadot/src/lib.rs b/runtime/polkadot/src/lib.rs
index 502c116a7371..5c5e1d65b5e1 100644
--- a/runtime/polkadot/src/lib.rs
+++ b/runtime/polkadot/src/lib.rs
@@ -284,7 +284,7 @@ parameter_types! {
 }
 
 impl pallet_preimage::Config for Runtime {
-	type WeightInfo = pallet_preimage::weights::SubstrateWeight<Runtime>;
+	type WeightInfo = weights::pallet_preimage::WeightInfo<Runtime>;
 	type Event = Event;
 	type Currency = Balances;
 	type ManagerOrigin = EnsureRoot<AccountId>;