diff --git a/zk/datastream/server/data_stream_server.go b/zk/datastream/server/data_stream_server.go
index bddd671e9b9..a37f35a240c 100644
--- a/zk/datastream/server/data_stream_server.go
+++ b/zk/datastream/server/data_stream_server.go
@@ -193,7 +193,7 @@ func createBlockWithBatchCheckStreamEntriesProto(
 		}
 		// the genesis we insert fully, so we would have to skip closing it
 		if !shouldSkipBatchEndEntry {
-			localExitRoot, err := utils.GetBatchLocalExitRootFromSCStorageForLatestBlock(batchNumber, reader, tx)
+			localExitRoot, err := utils.GetBatchLocalExitRootFromSCStorageForLatestBlock(lastBatchNumber, reader, tx)
 			if err != nil {
 				return nil, err
 			}
diff --git a/zk/utils/utils.go b/zk/utils/utils.go
index fd69dfb7762..562c9e7f2ea 100644
--- a/zk/utils/utils.go
+++ b/zk/utils/utils.go
@@ -146,7 +146,7 @@ func GetBatchLocalExitRootFromSCStorageForLatestBlock(batchNo uint64, db DbReade
 
 func GetBatchLocalExitRootFromSCStorageByBlock(blockNumber uint64, db DbReader, tx kv.Tx) (libcommon.Hash, error) {
 	if blockNumber > 0 {
-		stateReader := state.NewPlainState(tx, blockNumber+1, systemcontracts.SystemContractCodeLookup["hermez"])
+		stateReader := state.NewPlainState(tx, blockNumber, systemcontracts.SystemContractCodeLookup["hermez"])
 		defer stateReader.Close()
 		rawLer, err := stateReader.ReadAccountStorage(state.GER_MANAGER_ADDRESS, 1, &state.GLOBAL_EXIT_ROOT_POS_1)
 		if err != nil {