diff --git a/weed/filer/filer_inode_index.go b/weed/filer/filer_inode_index.go
index 83dd6f9bdb..d1a6b4fa21 100644
--- a/weed/filer/filer_inode_index.go
+++ b/weed/filer/filer_inode_index.go
@@ -210,7 +210,9 @@ func (fsw *FilerStoreWrapper) storeInodeIndex(ctx context.Context, path util.Ful
 		}
 		record = &InodeIndexRecord{Generation: InodeIndexInitialGeneration}
 	}
-	record.AddPath(path)
+	if !record.AddPath(path) {
+		return nil
+	}
 
 	value, err := record.Encode()
 	if err != nil {