diff --git a/app/Http/Requests/BankTransaction/MatchBankTransactionRequest.php b/app/Http/Requests/BankTransaction/MatchBankTransactionRequest.php
index 9c5869fabce3..76dc1e349c87 100644
--- a/app/Http/Requests/BankTransaction/MatchBankTransactionRequest.php
+++ b/app/Http/Requests/BankTransaction/MatchBankTransactionRequest.php
@@ -33,9 +33,9 @@ class MatchBankTransactionRequest extends Request
             'transactions' => 'bail|array',
             'transactions.*.id' => 'bail|required',
             'transactions.*.invoice_ids' => 'nullable|string|sometimes',
-            'transactions.*.ninja_category_id' => 'nullable|string|sometimes'
         ];
 
+        $rules['transactions.*.ninja_category_id'] = 'bail|nullable|sometimes|exists:expense_categories,id,company_id,'.auth()->user()->company()->id.',is_deleted,0';
         $rules['transactions.*.vendor_id'] = 'bail|sometimes|exists:vendors,id,company_id,'.auth()->user()->company()->id.',is_deleted,0';
 
         return $rules;