diff --git a/erpnext/patches.txt b/erpnext/patches.txt
index 85adbee..65a6de4 100644
--- a/erpnext/patches.txt
+++ b/erpnext/patches.txt
@@ -156,4 +156,4 @@
 erpnext.patches.v5_0.fix_taxes_and_totals_in_party_currency
 erpnext.patches.v5_0.update_tax_amount_after_discount_in_purchase_cycle
 erpnext.patches.v5_0.rename_pos_setting
-execute:frappe.db.sql("update `tabBOM Operation` set description=opn_description where ifnull(description, '') = ''")
+erpnext.patches.v5_0.update_operation_description
\ No newline at end of file
diff --git a/erpnext/patches/v5_0/update_operation_description.py b/erpnext/patches/v5_0/update_operation_description.py
new file mode 100644
index 0000000..ae7b632
--- /dev/null
+++ b/erpnext/patches/v5_0/update_operation_description.py
@@ -0,0 +1,10 @@
+# Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
+# License: GNU General Public License v3. See license.txt
+
+import frappe
+import frappe.permissions
+
+def execute():
+	if "opn_description" in frappe.db.get_table_columns("BOM Operation"):
+		frappe.db.sql("""update `tabBOM Operation` set description = opn_description 
+			where ifnull(description, '') = ''""")
\ No newline at end of file