diff --git a/erpnext/controllers/sales_and_purchase_return.py b/erpnext/controllers/sales_and_purchase_return.py
index 3e22681..4f9bce1 100644
--- a/erpnext/controllers/sales_and_purchase_return.py
+++ b/erpnext/controllers/sales_and_purchase_return.py
@@ -198,6 +198,7 @@
 			if tax.charge_type == "Actual":
 				tax.tax_amount = -1 * tax.tax_amount
 
+		doc.discount_amount = -1 * source.discount_amount
 		doc.run_method("calculate_taxes_and_totals")
 
 	def update_item(source_doc, target_doc, source_parent):