diff --git a/runtime/devnet/src/lib.rs b/runtime/devnet/src/lib.rs
index 23029ce2..e25658db 100644
--- a/runtime/devnet/src/lib.rs
+++ b/runtime/devnet/src/lib.rs
@@ -102,6 +102,7 @@ pub type SignedExtra = (
 	frame_system::CheckWeight<Runtime>,
 	pallet_transaction_payment::ChargeTransactionPayment<Runtime>,
 	cumulus_primitives_storage_weight_reclaim::StorageWeightReclaim<Runtime>,
+	frame_metadata_hash_extension::CheckMetadataHash<Runtime>,
 );
 
 /// Unchecked extrinsic type as expected by this runtime.
diff --git a/runtime/testnet/src/lib.rs b/runtime/testnet/src/lib.rs
index f8e09e51..67b236ad 100644
--- a/runtime/testnet/src/lib.rs
+++ b/runtime/testnet/src/lib.rs
@@ -101,6 +101,7 @@ pub type SignedExtra = (
 	frame_system::CheckNonce<Runtime>,
 	frame_system::CheckWeight<Runtime>,
 	pallet_transaction_payment::ChargeTransactionPayment<Runtime>,
+	frame_metadata_hash_extension::CheckMetadataHash<Runtime>,
 );
 
 /// Unchecked extrinsic type as expected by this runtime.