diff --git a/src/main/java/ru/nbch/credit_tracker/service/scoring/AuthorizationService.java b/src/main/java/ru/nbch/credit_tracker/service/scoring/AuthorizationService.java
index 3ae2744..f1eecf8 100644
--- a/src/main/java/ru/nbch/credit_tracker/service/scoring/AuthorizationService.java
+++ b/src/main/java/ru/nbch/credit_tracker/service/scoring/AuthorizationService.java
@@ -23,7 +23,7 @@ public class AuthorizationService {
 
     public AuthResult findAuthInfo(String userId, String password) throws Exception {
         String hashedPassword = hashPassword(password);
-        List<String> productCodes = mapper.findUserProductCodes(userId, hashedPassword);
+        List<String> productCodes = mapper.findUserProductCodes(userId, hashedPassword); // TODO столбец username имеет ограничение на длину. Добавить обработку или валиться с 500?
         if (productCodes.isEmpty()) {
             return new AuthResult(false, SignalError.ERROR_005);
         }
diff --git a/src/main/resources/mybatis/mapper/scoring/ModelUsersMapper.xml b/src/main/resources/mybatis/mapper/scoring/ModelUsersMapper.xml
index fd81063..e729def 100644
--- a/src/main/resources/mybatis/mapper/scoring/ModelUsersMapper.xml
+++ b/src/main/resources/mybatis/mapper/scoring/ModelUsersMapper.xml
@@ -5,7 +5,7 @@
 
 <mapper namespace="ru.nbch.credit_tracker.mapper.scoring.ModelUsersMapper">
 
-    <select id="findUserProductCodes" resultType="string">
+    <select id="findUserProductCodes" resultType="java.lang.String">
         SELECT PRODUCT
         FROM XMODEL_USERS
         WHERE USERNAME = #{userId} AND PASSWORD = #{password}