diff --git a/app/Http/Requests/BankTransaction/UpdateBankTransactionRequest.php b/app/Http/Requests/BankTransaction/UpdateBankTransactionRequest.php
index d0d6abc62f10..329331920115 100644
--- a/app/Http/Requests/BankTransaction/UpdateBankTransactionRequest.php
+++ b/app/Http/Requests/BankTransaction/UpdateBankTransactionRequest.php
@@ -34,7 +34,7 @@ class UpdateBankTransactionRequest extends Request
         $rules = [
             'date' => 'bail|required|date',
             'description' => 'bail|required|string',
-            'amount' => 'string|sometimes',
+            'amount' => 'numeric|sometimes',
         ];
 
         if (isset($this->currency_id))