diff --git a/weed/filer2/filer_deletion.go b/weed/filer2/filer_deletion.go
index e45f80b2f..06e088de6 100644
--- a/weed/filer2/filer_deletion.go
+++ b/weed/filer2/filer_deletion.go
@@ -78,7 +78,7 @@ func (f *Filer) deleteChunksIfNotNew(oldEntry, newEntry *Entry) {
 	for _, oldChunk := range oldEntry.Chunks {
 		found := false
 		for _, newChunk := range newEntry.Chunks {
-			if oldChunk.FileId == newChunk.FileId {
+			if oldChunk.Fid.Equals(newChunk.Fid) {
 				found = true
 				break
 			}
diff --git a/weed/pb/filer_pb/filer_pb_helper.go b/weed/pb/filer_pb/filer_pb_helper.go
index 1017e6910..be59089dd 100644
--- a/weed/pb/filer_pb/filer_pb_helper.go
+++ b/weed/pb/filer_pb/filer_pb_helper.go
@@ -21,6 +21,10 @@ func (fid *FileId) toFileId() string {
 	return needle.NewFileId(needle.VolumeId(fid.VolumeId), fid.FileKey, fid.Cookie).String()
 }
 
+func (fid *FileId) Equals(that *FileId) bool {
+	return fid.FileKey == that.FileKey && fid.VolumeId == that.VolumeId && fid.Cookie == that.Cookie
+}
+
 func BeforeEntrySerialization(chunks []*FileChunk) {
 
 	for _, chunk := range chunks {