diff --git a/manage-procurement/procurement/requisition-order-management/raise-new-demand-request/select-category-schema.json b/manage-procurement/procurement/requisition-order-management/raise-new-demand-request/select-category-schema.json
index c0be566b..9085e910 100644
--- a/manage-procurement/procurement/requisition-order-management/raise-new-demand-request/select-category-schema.json
+++ b/manage-procurement/procurement/requisition-order-management/raise-new-demand-request/select-category-schema.json
@@ -12,5 +12,5 @@
       ]
     }
   },
-  "required": []
+  "required": [which_category]
 }
\ No newline at end of file