diff --git a/erpnext/controllers/selling_controller.py b/erpnext/controllers/selling_controller.py
index 6d1b6c166077..8de7073990e6 100644
--- a/erpnext/controllers/selling_controller.py
+++ b/erpnext/controllers/selling_controller.py
@@ -637,7 +637,7 @@ def set_gross_profit(self):
 		if self.doctype in ["Sales Order", "Quotation"]:
 			for item in self.items:
 				item.gross_profit = flt(
-					((item.base_rate - flt(item.valuation_rate)) * item.stock_qty),
+					((flt(item.stock_uom_rate) - flt(item.valuation_rate)) * item.stock_qty),
 					self.precision("amount", item),
 				)