diff --git a/pkg/uploader/block/snapshot.go b/pkg/uploader/block/snapshot.go
index 272b6dd16..a3bb92431 100644
--- a/pkg/uploader/block/snapshot.go
+++ b/pkg/uploader/block/snapshot.go
@@ -177,8 +177,10 @@ func getParentBackupInfo(ctx context.Context, rep udmrepo.BackupRepo, forceFull
 			log.Warnf("No VolumeID tag from parent snapshot %s, fallback to full backup", parentSnapshot)
 		} else if previous.Tags[uploader.CBTVolumeIDTag] != volumeID {
 			log.Warnf("VolumeID %s from parent snapshot %s is not expected as %s, fallback to full backup", previous.Tags[uploader.CBTVolumeIDTag], parentSnapshot, volumeID)
+		} else if obj, err := loadObjectFromSnapshot(ctx, rep, previous); err != nil {
+			log.WithError(err).Warnf("Failed to load object from parent snapshot %s, fallback to full backup", parentSnapshot)
 		} else {
-			parentInfo.parentObject = previous.RootObject.ID
+			parentInfo.parentObject = obj
 			parentInfo.changeID = previous.Tags[uploader.CBTChangeIDTag]
 			parentInfo.volumeID = previous.Tags[uploader.CBTVolumeIDTag]
 
diff --git a/pkg/uploader/block/uploader.go b/pkg/uploader/block/uploader.go
index 118a09713..f487b39cb 100644
--- a/pkg/uploader/block/uploader.go
+++ b/pkg/uploader/block/uploader.go
@@ -52,3 +52,20 @@ type Uploader interface {
 func NewUploader(ctx context.Context, repoWriter udmrepo.BackupRepo, progress uploader.ProgressUpdater, log logrus.FieldLogger) Uploader {
 	return nil
 }
+
+func loadObjectFromSnapshot(ctx context.Context, rep udmrepo.BackupRepo, snapshot *udmrepo.Snapshot) (udmrepo.ID, error) {
+	if snapshot == nil {
+		return "", errors.New("snapshot is empty")
+	}
+
+	parentMeta, err := rep.ReadMetadata(ctx, snapshot.RootObject.ID)
+	if err != nil {
+		return "", errors.Wrapf(err, "error readding snapshot metadata for %s", snapshot.Description)
+	}
+
+	if len(parentMeta.SubObjects) != 1 {
+		return "", errors.Wrapf(err, "unexpected number of bdev object (%d) for snapshot %s", len(parentMeta.SubObjects), snapshot.Description)
+	}
+
+	return parentMeta.SubObjects[0].ID, nil
+}