diff --git a/testing/integration-tests/src/full_client/blocks/mod.rs b/testing/integration-tests/src/full_client/blocks/mod.rs
index 2686b954ae..c83e395ee5 100644
--- a/testing/integration-tests/src/full_client/blocks/mod.rs
+++ b/testing/integration-tests/src/full_client/blocks/mod.rs
@@ -329,6 +329,7 @@ async fn decode_signed_extensions_from_blocks() {
         "CheckNonce",
         "CheckWeight",
         "ChargeAssetTxPayment",
+        "CheckMetadataHash",
     ];
 
     assert_eq!(extensions1.iter().count(), expected_signed_extensions.len());