diff --git a/frappe/patches.txt b/frappe/patches.txt
index 43aea045c8..940a9d0981 100644
--- a/frappe/patches.txt
+++ b/frappe/patches.txt
@@ -39,3 +39,4 @@ frappe.patches.v4_0.replace_deprecated_timezones
 execute:import frappe.website.render; frappe.website.render.clear_cache("login"); #2014-06-10
 frappe.patches.v4_0.fix_attach_field_file_url
 execute:frappe.reset_perms("User") #2014-06-13
+execute:frappe.db.sql("""delete from `tabUserRole` where ifnull(parentfield, '')=''""") #2014-06-17