diff --git a/erpnext/patches/v12_0/move_parameters_to_priority.py b/erpnext/patches/v12_0/move_parameters_to_priority.py
index 9d031c379b..a08ab6dcc9 100644
--- a/erpnext/patches/v12_0/move_parameters_to_priority.py
+++ b/erpnext/patches/v12_0/move_parameters_to_priority.py
@@ -7,34 +7,60 @@ import frappe
 def execute():
 	priorities = ["Low", "Medium", "High"]
 
-	service_levels = frappe.get_list("Service Level",
-		fields=["name", "priority", "response_time", "response_time_period", "resolution_time", "resolution_time_period"])
+	service_levels = frappe.get_list("Service Level")
 	for service_level in service_levels:
-		for idx, value in enumerate(priorities):
-			doc = frappe.get_doc({
-				"doctype": "Service Level Priority",
-				"parent": service_level.name,
-				"parenttype": "Service Level",
-				"priority": value,
-				"idx": idx,
-				"response_time": service_level.response_time,
-				"response_time_period": service_level.response_time_period,
-				"resolution_time": service_level.resolution_time,
-				"resolution_time_period": service_level.resolution_time_period,
-			}).insert(ignore_permissions=True)
+		doc = frappe.get_doc("Service Level", service_level)
+		doc.update({
+			"priority": [
+				{
+					"priority": "Low",
+					"response_time": service_level.response_time,
+					"response_time_period": service_level.response_time_period,
+					"resolution_time": service_level.resolution_time,
+					"resolution_time_period": service_level.resolution_time_period,
+				},
+				{
+					"priority": "Medium",
+					"response_time": service_level.response_time,
+					"response_time_period": service_level.response_time_period,
+					"resolution_time": service_level.resolution_time,
+					"resolution_time_period": service_level.resolution_time_period,
+				},
+				{
+					"priority": "High",
+					"response_time": service_level.response_time,
+					"response_time_period": service_level.response_time_period,
+					"resolution_time": service_level.resolution_time,
+					"resolution_time_period": service_level.resolution_time_period,
+				}
+			]
+		})
 
-	service_level_agreements = frappe.get_list("Service Level Agreement",
-		fields=["name", "priority", "response_time", "response_time_period", "resolution_time", "resolution_time_period"])
+	service_level_agreements = frappe.get_list("Service Level Agreement")
 	for service_level_agreement in service_level_agreements:
-		for idx, value in enumerate(priorities):
-			doc = frappe.get_doc({
-				"doctype": "Service Level Priority",
-				"parent": service_level_agreement.name,
-				"parenttype": "Service Level Agreement",
-				"priority": value,
-				"idx": idx,
-				"response_time": service_level_agreement.response_time,
-				"response_time_period": service_level_agreement.response_time_period,
-				"resolution_time": service_level_agreement.resolution_time,
-				"resolution_time_period": service_level_agreement.resolution_time_period,
-			}).insert(ignore_permissions=True)
\ No newline at end of file
+		doc = frappe.get_doc("Service Level Agreement", service_level_agreement)
+		doc.update({
+			"priority": [
+				{
+					"priority": "Low",
+					"response_time": service_level_agreement.response_time,
+					"response_time_period": service_level_agreement.response_time_period,
+					"resolution_time": service_level_agreement.resolution_time,
+					"resolution_time_period": service_level_agreement.resolution_time_period,
+				},
+				{
+					"priority": "Medium",
+					"response_time": service_level_agreement.response_time,
+					"response_time_period": service_level_agreement.response_time_period,
+					"resolution_time": service_level_agreement.resolution_time,
+					"resolution_time_period": service_level_agreement.resolution_time_period,
+				},
+				{
+					"priority": "High",
+					"response_time": service_level_agreement.response_time,
+					"response_time_period": service_level_agreement.response_time_period,
+					"resolution_time": service_level_agreement.resolution_time,
+					"resolution_time_period": service_level_agreement.resolution_time_period,
+				},
+			]
+		})