diff --git a/relay/kusama/src/lib.rs b/relay/kusama/src/lib.rs
index d3a7de16e2..4c1d073516 100644
--- a/relay/kusama/src/lib.rs
+++ b/relay/kusama/src/lib.rs
@@ -1031,6 +1031,7 @@ impl pallet_vesting::Config for Runtime {
 	type MinVestedTransfer = MinVestedTransfer;
 	type WeightInfo = weights::pallet_vesting::WeightInfo<Runtime>;
 	type UnvestedFundsAllowedWithdrawReasons = UnvestedFundsAllowedWithdrawReasons;
+	type BlockNumberProvider = System;
 	const MAX_VESTING_SCHEDULES: u32 = 28;
 }
 
diff --git a/relay/polkadot/src/lib.rs b/relay/polkadot/src/lib.rs
index e4b774153a..f5298a1f3c 100644
--- a/relay/polkadot/src/lib.rs
+++ b/relay/polkadot/src/lib.rs
@@ -1065,6 +1065,7 @@ impl pallet_vesting::Config for Runtime {
 	type MinVestedTransfer = MinVestedTransfer;
 	type WeightInfo = weights::pallet_vesting::WeightInfo<Runtime>;
 	type UnvestedFundsAllowedWithdrawReasons = UnvestedFundsAllowedWithdrawReasons;
+	type BlockNumberProvider = System;
 	const MAX_VESTING_SCHEDULES: u32 = 28;
 }