diff --git a/src/navigation_model/visualization/video.py b/src/navigation_model/visualization/video.py
index 60176c9..21c4a6c 100644
--- a/src/navigation_model/visualization/video.py
+++ b/src/navigation_model/visualization/video.py
@@ -100,8 +100,8 @@ def update(dt):
 
         # x_end_pnt = all_x[dt-1]
         # y_end_pnt = all_y[dt-1]
-        x_end_pnt = all_x[max(dt-1, 0)]
-        y_end_pnt = all_y[max(dt-1, 0)]
+        x_end_pnt = [all_x[max(dt-1, 0)]]
+        y_end_pnt = [all_y[max(dt-1, 0)]]
 
         ln.set_data(x, y)
         ln_end.set_data(x_end, y_end)