diff --git a/MapView/main.py b/MapView/main.py
index 793928d..9dd9903 100644
--- a/MapView/main.py
+++ b/MapView/main.py
@@ -38,8 +38,8 @@ class MapViewApp(App):
         self.car_markers = dict()
 
         # додати необхідні змінні
-        self.bump_markers = []
-        self.pothole_markers = []
+        self.bump_markers: list[MapMarker] = []
+        self.pothole_markers: list[MapMarker] = []
 
     def on_start(self):
         """