diff --git a/erpnext/patches.txt b/erpnext/patches.txt
index fa62b7f..2fa668e 100644
--- a/erpnext/patches.txt
+++ b/erpnext/patches.txt
@@ -326,4 +326,5 @@
 erpnext.patches.v14_0.delete_agriculture_doctypes
 erpnext.patches.v13_0.update_exchange_rate_settings
 erpnext.patches.v14_0.rearrange_company_fields
-erpnext.patches.v14_0.update_leave_notification_template
\ No newline at end of file
+erpnext.patches.v14_0.update_leave_notification_template
+erpnext.patches.v13_0.update_asset_quantity_field
\ No newline at end of file
diff --git a/erpnext/patches/v13_0/update_asset_quantity_field.py b/erpnext/patches/v13_0/update_asset_quantity_field.py
new file mode 100644
index 0000000..47884d1
--- /dev/null
+++ b/erpnext/patches/v13_0/update_asset_quantity_field.py
@@ -0,0 +1,8 @@
+import frappe
+
+
+def execute():
+	if frappe.db.count('Asset'):
+		frappe.reload_doc("assets", "doctype", "Asset")
+		asset = frappe.qb.DocType('Asset')
+		frappe.qb.update(asset).set(asset.asset_quantity, 1).run()
\ No newline at end of file