diff --git a/erpnext/accounts/doctype/pricing_rule/utils.py b/erpnext/accounts/doctype/pricing_rule/utils.py
index bb54b23..2bdef10 100644
--- a/erpnext/accounts/doctype/pricing_rule/utils.py
+++ b/erpnext/accounts/doctype/pricing_rule/utils.py
@@ -250,6 +250,11 @@
 			and ifnull(`tabPricing Rule`.valid_upto, '2500-12-31')"""
 		values["transaction_date"] = args.get("transaction_date")
 
+	if args.get("doctype") in ["Sales Order", "Delivery Note", "Sales Invoice"]:
+		conditions += """ and ifnull(`tabPricing Rule`.selling, 0) = 1"""
+	else:
+		conditions += """ and ifnull(`tabPricing Rule`.buying, 0) = 1"""
+
 	return conditions