diff --git a/pkg/updater/updater.go b/pkg/updater/updater.go
index c924844..a020682 100644
--- a/pkg/updater/updater.go
+++ b/pkg/updater/updater.go
@@ -152,9 +152,9 @@ func (u *Updater) Start(ctx context.Context) <-chan struct{} {
 							for i := 0; i < len(commitmentTxnHashes) && ok; i++ {
 								if newPos, found := txnsInBlock[commitmentTxnHashes[i]]; !found || newPos != txnsInBlock[commitmentTxnHashes[0]]+i {
 									ok = false
+									break
 								}
 							}
-
 							err = u.winnerRegister.AddSettlement(
 								ctx,
 								index[:],
diff --git a/pkg/updater/updater_test.go b/pkg/updater/updater_test.go
index 441b93b..c6150ff 100644
--- a/pkg/updater/updater_test.go
+++ b/pkg/updater/updater_test.go
@@ -73,12 +73,28 @@ func TestUpdater(t *testing.T) {
 	commitments := make(map[string]preconf.PreConfCommitmentStorePreConfCommitment)
 	for i, txn := range txns {
 		idxBytes := getIdxBytes(int64(i))
+
 		commitments[string(idxBytes[:])] = preconf.PreConfCommitmentStorePreConfCommitment{
 			Commiter: builderAddr,
 			TxnHash:  txn.Hash().Hex(),
 		}
 	}
 
+	// constructing bundles
+	for i := 0; i < 10; i++ {
+		idxBytes := getIdxBytes(int64(i + 10))
+
+		bundle := txns[i].Hash().Hex()
+		for j := i + 1; j < 10; j++ {
+			bundle += "," + txns[j].Hash().Hex()
+		}
+
+		commitments[string(idxBytes[:])] = preconf.PreConfCommitmentStorePreConfCommitment{
+			Commiter: builderAddr,
+			TxnHash:  bundle,
+		}
+	}
+
 	testWinnerRegister := &testWinnerRegister{
 		winners:     make(chan updater.BlockWinner),
 		settlements: make(chan testSettlement),
@@ -117,7 +133,7 @@ func TestUpdater(t *testing.T) {
 
 	count := 0
 	for {
-		if count == 10 {
+		if count == 20 {
 			break
 		}
 		settlement := <-testWinnerRegister.settlements