diff --git a/beacon/sync/src/main/java/tech/pegasys/teku/beacon/sync/fetch/FetchTaskFactory.java b/beacon/sync/src/main/java/tech/pegasys/teku/beacon/sync/fetch/FetchTaskFactory.java
index 1d5fef932ee..bf1f462850d 100644
--- a/beacon/sync/src/main/java/tech/pegasys/teku/beacon/sync/fetch/FetchTaskFactory.java
+++ b/beacon/sync/src/main/java/tech/pegasys/teku/beacon/sync/fetch/FetchTaskFactory.java
@@ -28,7 +28,7 @@ default FetchBlockTask createFetchBlockTask(final Bytes32 blockRoot) {
   FetchBlockTask createFetchBlockTask(Bytes32 blockRoot, Optional<Eth2Peer> preferredPeer);
 
   default FetchBlobSidecarsTask createFetchBlobSidecarsTask(
-      Bytes32 blockRoot, List<BlobIdentifier> blobIdentifiers) {
+      final Bytes32 blockRoot, final List<BlobIdentifier> blobIdentifiers) {
     return createFetchBlobSidecarsTask(blockRoot, blobIdentifiers, Optional.empty());
   }