diff --git a/erpnext/controllers/selling_controller.py b/erpnext/controllers/selling_controller.py
index d4115b70b9ace24b789221a0ada86b27746650ff..65ab41878e6d348cc522afe365f266c92a8b96a7 100644
--- a/erpnext/controllers/selling_controller.py
+++ b/erpnext/controllers/selling_controller.py
@@ -28,7 +28,7 @@ class SellingController(StockController):
 	def validate(self):
 		super().validate()
 		self.validate_items()
-		if not self.get("is_debit_note"):
+		if not (self.get("is_debit_note") or self.get("is_return")):
 			self.validate_max_discount()
 		self.validate_selling_price()
 		self.set_qty_as_per_stock_uom()