diff --git a/src/DAO/IAuthDAO.h b/src/DAO/IAuthDAO.h
index eccea50..45746cd 100644
--- a/src/DAO/IAuthDAO.h
+++ b/src/DAO/IAuthDAO.h
@@ -12,7 +12,7 @@ class IAuthDAO
 public:
   virtual std::string Login(const std::string& registrated_user_uuid) = 0;
 
-  virtual bool HasAuthorizedUser(const std::string& auth_token) = 0;
+  virtual bool HasAuthorized(const std::string& auth_token) = 0;
 
   virtual bool Logout(const std::string& user_token) = 0;
 
diff --git a/src/DAO/MemoryAuthDAO.cpp b/src/DAO/MemoryAuthDAO.cpp
index 5d4715f..434fadb 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& user_uuid)
+bool MemoryAuthDAO::HasAuthorized(const std::string& auth_token)
 {
-  return users_uuids_to_auth_tokens_.count(user_uuid) > 0;
+  return auth_tokens_to_users_uuids_.count(auth_token) > 0;
 }
 
 bool MemoryAuthDAO::Logout(const std::string& auth_token)
diff --git a/src/DAO/MemoryAuthDAO.h b/src/DAO/MemoryAuthDAO.h
index 919350d..c28cc0d 100644
--- a/src/DAO/MemoryAuthDAO.h
+++ b/src/DAO/MemoryAuthDAO.h
@@ -21,7 +21,7 @@ public:
 
   std::string Login(const std::string& registrated_user_uuid) override;
 
-  bool HasAuthorizedUser(const std::string& auth_token) override;
+  bool HasAuthorized(const std::string& auth_token) override;
 
   bool Logout(const std::string& auth_token) override;
 };