diff --git a/csi/controller_server.go b/csi/controller_server.go
index 5370334e00..f0359ff67e 100644
--- a/csi/controller_server.go
+++ b/csi/controller_server.go
@@ -289,6 +289,7 @@ func (cs *ControllerServer) getBackupVolume(volumeName string) (*longhornclient.
 		}
 	}
 	log.Debugf("cannot find backup volume with backup target %s and volume %s", vol.BackupTargetName, volumeName)
+	// return no error if no backup volume found as backup is not completed and backup volume is not created yet.
 	return nil, nil
 }
 
diff --git a/manager/engine.go b/manager/engine.go
index 79dcff6055..1157e266a3 100644
--- a/manager/engine.go
+++ b/manager/engine.go
@@ -511,7 +511,20 @@ func (m *VolumeManager) ListBackupsForBackupVolumeSorted(backupVolumeName string
 		return []*longhorn.Backup{}, err
 	}
 
-	return m.ListBackupsForVolumeSorted(bv.Spec.VolumeName)
+	backupMap, err := m.ds.ListBackupsWithBackupTargetAndBackupVolumeRO(bv.Spec.BackupTargetName, bv.Spec.VolumeName)
+	if err != nil {
+		return []*longhorn.Backup{}, err
+	}
+	backupNames, err := util.SortKeys(backupMap)
+	if err != nil {
+		return []*longhorn.Backup{}, err
+	}
+	backups := make([]*longhorn.Backup, len(backupMap))
+	for i, backupName := range backupNames {
+		backups[i] = backupMap[backupName]
+	}
+
+	return backups, nil
 }
 
 func (m *VolumeManager) GetBackup(backupName, volumeName string) (*longhorn.Backup, error) {