diff --git a/erpnext/public/js/controllers/buying.js b/erpnext/public/js/controllers/buying.js
index 86dadd3..d696ef5 100644
--- a/erpnext/public/js/controllers/buying.js
+++ b/erpnext/public/js/controllers/buying.js
@@ -165,45 +165,33 @@
 	}
 
 	qty(doc, cdt, cdn) {
-		var item = frappe.get_doc(cdt, cdn);
 		if ((doc.doctype == "Purchase Receipt") || (doc.doctype == "Purchase Invoice" && (doc.update_stock || doc.is_return))) {
-			frappe.model.round_floats_in(item, ["qty", "received_qty"]);
-
-			if(!doc.is_return && this.validate_negative_quantity(cdt, cdn, item, ["qty", "received_qty"])){ return }
-
-			if(!item.rejected_qty && item.qty) {
-				item.received_qty = item.qty;
-			}
-
-			frappe.model.round_floats_in(item, ["qty", "received_qty"]);
-			item.rejected_qty = flt(item.received_qty - item.qty, precision("rejected_qty", item));
-			item.received_stock_qty = flt(item.conversion_factor, precision("conversion_factor", item)) * flt(item.received_qty);
+			this.calculate_received_qty(doc, cdt, cdn)
 		}
 		super.qty(doc, cdt, cdn);
 	}
 
+	rejected_qty(doc, cdt, cdn) {
+		this.calculate_received_qty(doc, cdt, cdn)
+	}
+
+	calculate_received_qty(doc, cdt, cdn){
+		var item = frappe.get_doc(cdt, cdn);
+		frappe.model.round_floats_in(item, ["qty", "rejected_qty"]);
+
+		if(!doc.is_return && this.validate_negative_quantity(cdt, cdn, item, ["qty", "rejected_qty"])){ return }
+
+		let received_qty = flt(item.qty + item.rejected_qty, precision("received_qty", item));
+		let received_stock_qty = flt(item.conversion_factor, precision("conversion_factor", item)) * flt(received_qty);
+
+		frappe.model.set_value(cdt, cdn, "received_qty", received_qty);
+		frappe.model.set_value(cdt, cdn, "received_stock_qty", received_stock_qty);
+	}
+
 	batch_no(doc, cdt, cdn) {
 		super.batch_no(doc, cdt, cdn);
 	}
 
-	received_qty(doc, cdt, cdn) {
-		this.calculate_accepted_qty(doc, cdt, cdn)
-	}
-
-	rejected_qty(doc, cdt, cdn) {
-		this.calculate_accepted_qty(doc, cdt, cdn)
-	}
-
-	calculate_accepted_qty(doc, cdt, cdn){
-		var item = frappe.get_doc(cdt, cdn);
-		frappe.model.round_floats_in(item, ["received_qty", "rejected_qty"]);
-
-		if(!doc.is_return && this.validate_negative_quantity(cdt, cdn, item, ["received_qty", "rejected_qty"])){ return }
-
-		item.qty = flt(item.received_qty - item.rejected_qty, precision("qty", item));
-		this.qty(doc, cdt, cdn);
-	}
-
 	validate_negative_quantity(cdt, cdn, item, fieldnames){
 		if(!item || !fieldnames) { return }