diff --git a/erpnext/manufacturing/doctype/bom_operation/bom_operation.json b/erpnext/manufacturing/doctype/bom_operation/bom_operation.json
index 3bcc4e896bd..a40d0d714ed 100644
--- a/erpnext/manufacturing/doctype/bom_operation/bom_operation.json
+++ b/erpnext/manufacturing/doctype/bom_operation/bom_operation.json
@@ -133,7 +133,7 @@
    "label": "Batch Size"
   },
   {
-   "depends_on": "eval:doc.parenttype == \"Routing\"",
+   "depends_on": "eval:doc.parenttype == \"Routing\" || !parent.routing",
    "fieldname": "sequence_id",
    "fieldtype": "Int",
    "label": "Sequence ID"
@@ -196,7 +196,7 @@
  "index_web_pages_for_search": 1,
  "istable": 1,
  "links": [],
- "modified": "2025-07-31 16:17:47.287117",
+ "modified": "2026-02-17 15:33:28.495850",
  "modified_by": "Administrator",
  "module": "Manufacturing",
  "name": "BOM Operation",