diff --git a/erpnext/manufacturing/doctype/bom_operation/bom_operation.json b/erpnext/manufacturing/doctype/bom_operation/bom_operation.json
index 037a3fe0e81..3bcc4e896bd 100644
--- a/erpnext/manufacturing/doctype/bom_operation/bom_operation.json
+++ b/erpnext/manufacturing/doctype/bom_operation/bom_operation.json
@@ -65,6 +65,7 @@
    "fieldname": "hour_rate",
    "fieldtype": "Currency",
    "label": "Hour Rate",
+   "non_negative": 1,
    "oldfieldname": "hour_rate",
    "oldfieldtype": "Currency",
    "options": "currency",
@@ -78,6 +79,7 @@
    "fieldtype": "Float",
    "in_list_view": 1,
    "label": "Operation Time",
+   "non_negative": 1,
    "oldfieldname": "time_in_mins",
    "oldfieldtype": "Currency",
    "reqd": 1
@@ -194,7 +196,7 @@
  "index_web_pages_for_search": 1,
  "istable": 1,
  "links": [],
- "modified": "2022-11-04 17:17:16.986941",
+ "modified": "2025-07-31 16:17:47.287117",
  "modified_by": "Administrator",
  "module": "Manufacturing",
  "name": "BOM Operation",
diff --git a/erpnext/manufacturing/doctype/bom_scrap_item/bom_scrap_item.json b/erpnext/manufacturing/doctype/bom_scrap_item/bom_scrap_item.json
index b2ef19b20f0..27001227974 100644
--- a/erpnext/manufacturing/doctype/bom_scrap_item/bom_scrap_item.json
+++ b/erpnext/manufacturing/doctype/bom_scrap_item/bom_scrap_item.json
@@ -42,6 +42,7 @@
    "fieldtype": "Float",
    "in_list_view": 1,
    "label": "Qty",
+   "non_negative": 1,
    "reqd": 1
   },
   {
@@ -49,6 +50,7 @@
    "fieldtype": "Currency",
    "in_list_view": 1,
    "label": "Rate",
+   "non_negative": 1,
    "options": "currency"
   },
   {
@@ -92,7 +94,7 @@
  ],
  "istable": 1,
  "links": [],
- "modified": "2023-01-03 14:19:28.460965",
+ "modified": "2025-07-31 16:21:44.047007",
  "modified_by": "Administrator",
  "module": "Manufacturing",
  "name": "BOM Scrap Item",
@@ -103,4 +105,4 @@
  "sort_order": "DESC",
  "states": [],
  "track_changes": 1
-}
\ No newline at end of file
+}