diff --git a/frontend/todo_tk.py b/frontend/todo_tk.py
index e97c352..0336afd 100644
--- a/frontend/todo_tk.py
+++ b/frontend/todo_tk.py
@@ -26,9 +26,12 @@ class Application(tk.Tk):
     def login(self):
         """Возвращает пользователя - его можно потом сериализовать"""
         # Пользователь сохранен! Авторизация не нужна!
-        user = User.load()
-        if user is not None:
-            return user
+        try:
+            user = User.load()
+            if user is not None:
+                return user
+        except Exception as e:
+            print("Failed to restore login:", e)
         # Не удалось - нужен логин
         self.frame = LoginFrame(master=self, url=DEFAULT_URL)
         while not self.frame.loggedIn:
diff --git a/frontend/user.py b/frontend/user.py
index e5e6baf..7c58714 100644
--- a/frontend/user.py
+++ b/frontend/user.py
@@ -161,6 +161,9 @@ class User(UserApi):
         """
         Remove the login file from homedir
         """
+        if "DEBUG" in os.environ:
+            print("Debug mode is on - no login storing")
+            return
         if not os.path.exists(USER_TOKEN_PATH):
             return
         try:
@@ -172,6 +175,9 @@ class User(UserApi):
         """
         Store user token in homedir
         """
+        if "DEBUG" in os.environ:
+            print("Debug mode is on - no login storing")
+            return
         try:
             with open(USER_TOKEN_PATH, "w") as handler:
                 json.dump(self.token.__dict__, handler)
@@ -183,6 +189,8 @@ class User(UserApi):
         """
         Restore user token from the file in homedir
         """
+        if "DEBUG" in os.environ:
+            raise RuntimeError("Debug mode is on - no login storing")
         if os.path.exists(USER_TOKEN_PATH):
             try:
                 with open(USER_TOKEN_PATH, "r") as handler: