diff --git a/src/Component/Serializer/Parser/BaseJMSParser.php b/src/Component/Serializer/Parser/BaseJMSParser.php
index 3503208..8f484d8 100644
--- a/src/Component/Serializer/Parser/BaseJMSParser.php
+++ b/src/Component/Serializer/Parser/BaseJMSParser.php
@@ -85,6 +85,7 @@ final class BaseJMSParser
         throw new SyntaxError(sprintf(
             'Syntax error, unexpected "%s" (%s)',
             $this->lexer->token['value'],
+            // @phpstan-ignore-next-line
             $this->getConstant($this->lexer->token['type'])
         ));
     }
@@ -177,7 +178,7 @@ final class BaseJMSParser
         throw new SyntaxError(sprintf(
             'Syntax error, unexpected "%s" (%s), expected was %s',
             $this->lexer->lookahead['value'],
-            $this->getConstant($this->lexer->lookahead['type']),
+            $this->getConstant($this->lexer->lookahead['type']), // @phpstan-ignore-line
             $this->getConstant($token)
         ));
     }
diff --git a/src/Model/Response/Loyalty/LoyaltyAccountCreateResponse.php b/src/Model/Response/Loyalty/LoyaltyAccountCreateResponse.php
index 9b31845..0591dfe 100644
--- a/src/Model/Response/Loyalty/LoyaltyAccountCreateResponse.php
+++ b/src/Model/Response/Loyalty/LoyaltyAccountCreateResponse.php
@@ -32,7 +32,7 @@ class LoyaltyAccountCreateResponse extends SuccessResponse
      * @var \RetailCrm\Api\Model\Entity\Loyalty\LoyaltyAccount
      *
      * @JMS\Type("RetailCrm\Api\Model\Entity\Loyalty\LoyaltyAccount")
-     * @JMS\SerializedName("loyalty_account")
+     * @JMS\SerializedName("loyaltyAccount")
      */
     public $loyaltyAccount;
 
diff --git a/tests/src/ResourceGroup/LoyaltyTest.php b/tests/src/ResourceGroup/LoyaltyTest.php
index bdd6bd5..57723b8 100644
--- a/tests/src/ResourceGroup/LoyaltyTest.php
+++ b/tests/src/ResourceGroup/LoyaltyTest.php
@@ -59,13 +59,14 @@ class LoyaltyTest extends AbstractApiResourceGroupTestCase
 {
   "success": true,
   "site": "bitrix-test",
-  "loyalty_account": {
+  "loyaltyAccount": {
     "phoneNumber": "88005553125",
     "cardNumber": "2222 3333 4444 5555",
     "customer": {
       "id": 4787
     }
-  }
+  },
+  "warnings": []
 }
 EOF;