diff --git a/packages/relayer/.l1indexer.example.env b/packages/relayer/.l1indexer.example.env
index fa3d5e8b0a0..4f6fe42409a 100644
--- a/packages/relayer/.l1indexer.example.env
+++ b/packages/relayer/.l1indexer.example.env
@@ -11,7 +11,7 @@ QUEUE_USER=guest
 QUEUE_PASSWORD=guest
 QUEUE_HOST=localhost
 QUEUE_PORT=5672
-SRC_BRIDGE_ADDRESS=0x9A9f2CCfdE556A7E9Ff0848998Aa4a0CFD8863AE
+SRC_BRIDGE_ADDRESS=0x3Aa5ebB10DC797CAC828524e59A333d0A371443c
 DEST_BRIDGE_ADDRESS=0x1000777700000000000000000000000000000004
 SRC_TAIKO_ADDRESS=0x0DCd1Bf9A1b36cE34237eEaFef220932846BCD82
 SRC_RPC_URL=wss://l1ws.internal.taiko.xyz
diff --git a/packages/relayer/processor/process_message.go b/packages/relayer/processor/process_message.go
index 4663bafb9e3..8939e6d4f97 100644
--- a/packages/relayer/processor/process_message.go
+++ b/packages/relayer/processor/process_message.go
@@ -108,12 +108,23 @@ func (p *Processor) processMessage(
 			// todo: instead of latest, need way to find out which block num on the hop chain
 			// the previous blockHash was synced in, and then wait for that header to be synced
 			// on the next hop chain.
-			latestBlock, err := hop.ethClient.BlockByNumber(ctx, nil)
+			snippet, err := hop.headerSyncer.GetSyncedSnippet(&bind.CallOpts{
+				Context: ctx,
+			},
+				hop.blockNum,
+			)
+
+			slog.Info("hop synced snippet",
+				"syncedInBlock", snippet.SyncedInBlock,
+				"blockNum", hop.blockNum,
+				"blockHash", common.Bytes2Hex(snippet.BlockHash[:]),
+			)
+
 			if err != nil {
-				return errors.Wrap(err, "hop.ethClient.BlockByNumber(ctx, nil)")
+				return errors.Wrap(err, "hop.headerSyncer.GetSyncedSnippet")
 			}
 
-			blockNum = latestBlock.NumberU64()
+			blockNum = snippet.SyncedInBlock
 
 			hopEthClient = hop.ethClient
 		}