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 5536cc9..3b06d16 100644
--- a/erpnext/support/doctype/service_level_agreement/service_level_agreement.py
+++ b/erpnext/support/doctype/service_level_agreement/service_level_agreement.py
@@ -85,8 +85,9 @@
 			["Service Level Agreement", "default_service_level_agreement", "=", 1]
 		]
 	else:
+		# Include SLA with No Entity and Entity Type
 		or_filters = [
-			["Service Level Agreement", "entity", "in", [customer, get_customer_group(customer), get_customer_territory(customer), "IS NULL"]],
+			["Service Level Agreement", "entity", "in", [customer, get_customer_group(customer), get_customer_territory(customer), ""]],
 			["Service Level Agreement", "default_service_level_agreement", "=", 1]
 		]