diff --git a/erpnext/public/js/utils/barcode_scanner.js b/erpnext/public/js/utils/barcode_scanner.js
index b162697..24d49a4 100644
--- a/erpnext/public/js/utils/barcode_scanner.js
+++ b/erpnext/public/js/utils/barcode_scanner.js
@@ -11,6 +11,10 @@
 		this.batch_no_field = opts.batch_no_field || "batch_no";
 		this.qty_field = opts.qty_field || "qty";
 		this.max_qty_field = opts.max_qty_field || null;
+		this.allow_new_row = opts.allow_new_row;
+		if (this.allow_new_row === undefined || this.allow_new_row === null) {
+			this.allow_new_row = true;
+		}
 
 		this.items_table_name = opts.items_table_name || "items";
 		this.items_table = this.frm.doc[this.items_table_name];
@@ -73,6 +77,15 @@
 		}
 
 		if (!row) {
+			if (!this.allow_new_row) {
+				frappe.show_alert({
+					message: __("Maximum quantity scanned for this barcode."),
+					indicator: "red"
+				});
+				this.clean_up();
+				return;
+			}
+
 			// add new row if new item/batch is scanned
 			row = frappe.model.add_child(this.frm.doc, cur_grid.doctype, this.items_table_name);
 			// trigger any row add triggers defined on child table.