diff --git a/erpnext/patches.txt b/erpnext/patches.txt
index ba17b67de1..ce0e4ac471 100644
--- a/erpnext/patches.txt
+++ b/erpnext/patches.txt
@@ -495,6 +495,7 @@ erpnext.patches.v10_0.rename_offer_letter_to_job_offer
 execute:frappe.delete_doc('DocType', 'Production Planning Tool', ignore_missing=True)
 erpnext.patches.v10_0.migrate_daily_work_summary_settings_to_daily_work_summary_group # 24-12-2018
 erpnext.patches.v10_0.add_default_cash_flow_mappers
+erpnext.patches.v11_0.rename_duplicate_item_code_values
 erpnext.patches.v11_0.make_quality_inspection_template
 erpnext.patches.v10_0.update_status_for_multiple_source_in_po
 erpnext.patches.v10_0.set_auto_created_serial_no_in_stock_entry
diff --git a/erpnext/patches/v11_0/rename_duplicate_item_code_values.py b/erpnext/patches/v11_0/rename_duplicate_item_code_values.py
new file mode 100644
index 0000000000..00ab562c35
--- /dev/null
+++ b/erpnext/patches/v11_0/rename_duplicate_item_code_values.py
@@ -0,0 +1,8 @@
+import frappe
+
+def execute():
+	items = []
+	items = frappe.db.sql("""select item_code from `tabItem` group by item_code having count(*) > 1""", as_dict=True)
+	if items:
+		for item in items:
+			frappe.db.sql("""update `tabItem` set item_code=name where item_code = %s""", (item.item_code))