diff --git a/models/attachment.go b/models/attachment.go
index 913388670..8e8d42805 100755
--- a/models/attachment.go
+++ b/models/attachment.go
@@ -576,7 +576,7 @@ func AttachmentsByDatasetOption(datasets []int64, opts *SearchDatasetOptions) ([
 		cond = cond.And(builder.Gt{"attachment.decompress_state": 0})
 	}
 	if opts.PublicOnly {
-		cond = cond.And(builder.Gt{"attachment.decompress_state": 0})
+		cond = cond.And(builder.Eq{"attachment.is_private": false})
 	}
 	if opts.CloudBrainType >= 0 {
 		cond = cond.And(builder.Eq{"attachment.type": opts.CloudBrainType})