diff --git a/pkg/storage/fs/fs.go b/pkg/storage/fs/fs.go
index f8ce1a2c5..892b1aa44 100644
--- a/pkg/storage/fs/fs.go
+++ b/pkg/storage/fs/fs.go
@@ -379,7 +379,7 @@ func (storage *storage) ListObjects(bucket string, resources mstorage.BucketReso
 				}
 				metadataList = append(metadataList, metadata)
 			case delimited != "":
-				resources.CommonPrefixes = helpers.AppendUstr(resources.CommonPrefixes, delimited)
+				resources.CommonPrefixes = helpers.AppendUniqStr(resources.CommonPrefixes, delimited)
 			}
 		case resources.Delimiter != "" && strings.HasPrefix(name, resources.Prefix):
 			delimited := delimiter(name, resources.Delimiter)
@@ -394,7 +394,7 @@ func (storage *storage) ListObjects(bucket string, resources mstorage.BucketReso
 				}
 				metadataList = append(metadataList, metadata)
 			case delimited != "":
-				resources.CommonPrefixes = helpers.AppendUstr(resources.CommonPrefixes, delimited)
+				resources.CommonPrefixes = helpers.AppendUniqStr(resources.CommonPrefixes, delimited)
 			}
 		case strings.HasPrefix(name, resources.Prefix):
 			metadata := mstorage.ObjectMetadata{
diff --git a/pkg/utils/helpers/common.go b/pkg/utils/helpers/common.go
index da420a4ae..242f55df0 100644
--- a/pkg/utils/helpers/common.go
+++ b/pkg/utils/helpers/common.go
@@ -40,7 +40,7 @@ func AppendUniqInt(slice []int, i int) []int {
 	return append(slice, i)
 }
 
-func AppendUstr(slice []string, i string) []string {
+func AppendUniqStr(slice []string, i string) []string {
 	for _, ele := range slice {
 		if ele == i {
 			return slice