diff --git a/models/attachments.js b/models/attachments.js
index 614dd3332..08360a6e4 100644
--- a/models/attachments.js
+++ b/models/attachments.js
@@ -56,7 +56,7 @@ Attachments = new FilesCollection({
     if (board.isPublic()) {
       return true;
     }
-    return board.hasMember(this.userId);
+    return board.hasMember(fileObj.userId);
   },
 });