diff --git a/erpnext/controllers/sales_and_purchase_return.py b/erpnext/controllers/sales_and_purchase_return.py
index f03541412e1..c43dce12202 100644
--- a/erpnext/controllers/sales_and_purchase_return.py
+++ b/erpnext/controllers/sales_and_purchase_return.py
@@ -813,7 +813,7 @@ def get_rate_for_return(
 	if not (rate and return_against) and voucher_type in ["Sales Invoice", "Delivery Note"]:
 		rate = frappe.db.get_value(f"{voucher_type} Item", voucher_detail_no, "incoming_rate")
 
-		if not rate and sle:
+		if rate is None and sle:
 			rate = get_incoming_rate(
 				{
 					"item_code": sle.item_code,