diff --git a/psa_car_controller/psacc/application/charging.py b/psa_car_controller/psacc/application/charging.py
index d07a05e..291ada7 100644
--- a/psa_car_controller/psacc/application/charging.py
+++ b/psa_car_controller/psacc/application/charging.py
@@ -9,7 +9,7 @@ from .ecomix import Ecomix
 
 from psa_car_controller.psacc.repository.config_repository import ElectricityPriceConfig
 from psa_car_controller.psacc.repository.db import Database
-from ..model.car import Car
+from ..model.car import Car, Cars
 from ..model.charge import Charge
 
 logger = logging.getLogger(__name__)
@@ -37,7 +37,7 @@ class Charging:
         charge.price = Charging.elec_price.get_price(charge, battery_curves)
 
     @staticmethod
-    def set_default_price(cars):
+    def set_default_price(cars: Cars):
         if Charging.elec_price.is_enable():
             conn = Database.get_db()
             charge_list = Database.get_all_charge_without_price(conn)
diff --git a/psa_car_controller/web/view/views.py b/psa_car_controller/web/view/views.py
index 5a975f9..5bd4841 100644
--- a/psa_car_controller/web/view/views.py
+++ b/psa_car_controller/web/view/views.py
@@ -39,7 +39,7 @@ min_date = max_date = min_millis = max_millis = step = marks = cached_layout = N
 APP = PSACarController()
 
 
-def get_default_car():
+def get_default_car() -> Car:
     return APP.myp.vehicles_list[0]
 
 
@@ -396,7 +396,7 @@ def serve_layout():
 
 try:
     if APP.is_good:
-        Charging.set_default_price(get_default_car())
+        Charging.set_default_price(APP.myp.vehicles_list)
     Database.set_db_callback(update_trips)
     update_trips()
 except (IndexError, TypeError):