diff --git a/erpnext/accounts/doctype/pricing_rule/pricing_rule.py b/erpnext/accounts/doctype/pricing_rule/pricing_rule.py
index c45b069..2438f4b 100644
--- a/erpnext/accounts/doctype/pricing_rule/pricing_rule.py
+++ b/erpnext/accounts/doctype/pricing_rule/pricing_rule.py
@@ -35,10 +35,11 @@
 			self.margin_rate_or_amount = 0.0
 
 	def validate_duplicate_apply_on(self):
-		field = apply_on_dict.get(self.apply_on)
-		values = [d.get(frappe.scrub(self.apply_on)) for d in self.get(field) if field]
-		if len(values) != len(set(values)):
-			frappe.throw(_("Duplicate {0} found in the table").format(self.apply_on))
+		if self.apply_on != "Transaction":
+			field = apply_on_dict.get(self.apply_on)
+			values = [d.get(frappe.scrub(self.apply_on)) for d in self.get(field) if field]
+			if len(values) != len(set(values)):
+				frappe.throw(_("Duplicate {0} found in the table").format(self.apply_on))
 
 	def validate_mandatory(self):
 		for apply_on, field in apply_on_dict.items():