diff --git a/erpnext/patches/v12_0/set_priority_for_support.py b/erpnext/patches/v12_0/set_priority_for_support.py
index cde211b..a7465a3 100644
--- a/erpnext/patches/v12_0/set_priority_for_support.py
+++ b/erpnext/patches/v12_0/set_priority_for_support.py
@@ -21,6 +21,7 @@
 		"resolution_time", "resolution_time_period"])
 
 	frappe.reload_doc("support", "doctype", "issue")
+	frappe.reload_doc("support", "doctype", "service_level_priority")
 	frappe.reload_doc("support", "doctype", "service_level")
 	frappe.reload_doc("support", "doctype", "service_level_agreement")