diff --git a/erpnext/support/doctype/service_level_agreement/service_level_agreement.json b/erpnext/support/doctype/service_level_agreement/service_level_agreement.json
index b649b8768b..5f470aad67 100644
--- a/erpnext/support/doctype/service_level_agreement/service_level_agreement.json
+++ b/erpnext/support/doctype/service_level_agreement/service_level_agreement.json
@@ -203,10 +203,11 @@
   }
  ],
  "links": [],
- "modified": "2021-07-27 11:16:45.596579",
+ "modified": "2021-10-02 11:32:55.556024",
  "modified_by": "Administrator",
  "module": "Support",
  "name": "Service Level Agreement",
+ "naming_rule": "Expression",
  "owner": "Administrator",
  "permissions": [
   {
@@ -237,4 +238,4 @@
  "sort_field": "modified",
  "sort_order": "DESC",
  "track_changes": 1
-}
+}
\ No newline at end of file
diff --git a/erpnext/support/doctype/service_level_agreement/service_level_agreement.py b/erpnext/support/doctype/service_level_agreement/service_level_agreement.py
index bd478119b6..6bdd8f2205 100644
--- a/erpnext/support/doctype/service_level_agreement/service_level_agreement.py
+++ b/erpnext/support/doctype/service_level_agreement/service_level_agreement.py
@@ -339,7 +339,7 @@ def set_documents_with_active_service_level_agreement():
 
 def apply(doc, method=None):
 	# Applies SLA to document on validate
-	if frappe.flags.in_patch or frappe.flags.in_install or frappe.flags.in_setup_wizard or \
+	if frappe.flags.in_patch or frappe.flags.in_migrate or frappe.flags.in_install or frappe.flags.in_setup_wizard or \
 		doc.doctype not in get_documents_with_active_service_level_agreement():
 		return