diff --git a/erpnext/stock/doctype/item/item.py b/erpnext/stock/doctype/item/item.py
index 8ccca7a..a6af44b 100644
--- a/erpnext/stock/doctype/item/item.py
+++ b/erpnext/stock/doctype/item/item.py
@@ -486,7 +486,7 @@
         from stdnum import ean
         if len(self.barcodes) > 0:
             for item_barcode in self.barcodes:
-                duplicate = frappe.db.sql("""select name from `tabItem Barcode` where barcode = %s and parent != %s""", (item_barcode.barcode, self.name))
+                duplicate = frappe.db.sql("""select parent from `tabItem Barcode` where barcode = %s and parent != %s""", (item_barcode.barcode, self.name))
                 if duplicate:
                     frappe.throw(_("Barcode {0} already used in Item {1}").format(
                         item_barcode.barcode, duplicate[0][0]))