[blog] permission fix
diff --git a/website/helpers/blog.py b/website/helpers/blog.py
index 80a1d29..1ab5142 100644
--- a/website/helpers/blog.py
+++ b/website/helpers/blog.py
@@ -73,6 +73,7 @@
 		del args["page_name"]
 		
 	comment = webnotes.bean(args)
+	del comment.doc.fields["cmd"]
 	comment.ignore_permissions = True
 	comment.insert()