diff --git a/src/DAO/MemoryAuthDAO.cpp b/src/DAO/MemoryAuthDAO.cpp
index b6aaa44..5d4715f 100644
--- a/src/DAO/MemoryAuthDAO.cpp
+++ b/src/DAO/MemoryAuthDAO.cpp
@@ -22,9 +22,9 @@ std::string MemoryAuthDAO::Login(const std::string& registrated_user_uuid)
   return auth_token;
 }
 
-bool MemoryAuthDAO::HasAuthorizedUser(const std::string& auth_token)
+bool MemoryAuthDAO::HasAuthorizedUser(const std::string& user_uuid)
 {
-  return auth_tokens_to_users_uuids_.count(auth_token) > 0;
+  return users_uuids_to_auth_tokens_.count(user_uuid) > 0;
 }
 
 bool MemoryAuthDAO::Logout(const std::string& auth_token)