diff --git a/app/Http/API/SMBC/BankAccountRegister/SMBC.php b/app/Http/API/SMBC/BankAccountRegister/SMBC.php
index 0ec5898..c1fb17a 100644
--- a/app/Http/API/SMBC/BankAccountRegister/SMBC.php
+++ b/app/Http/API/SMBC/BankAccountRegister/SMBC.php
@@ -70,9 +70,11 @@ class SMBC
             throw new ConfigException('smbc.bankAccountRegister.registerUrl', $url);
         }
 
+        $onlyZenkakuCustomerName = preg_replace("/[^\p{Hiragana}\p{Katakana}\p{Han}]/u", "", $customer->customerName);
+
         $param = [
             'bill_no' =>  sprintf("%012d", $customer->customerCode),
-            'bill_name' => $customer->customerName,
+            'bill_name' => $onlyZenkakuCustomerName,
             'bill_kana' => mb_convert_kana($customer->customerNameKana, "ks"),
 
             'version' => "130",