diff --git a/drive_between_arucos.py b/drive_between_arucos.py
index 57d7e36..15a56b8 100644
--- a/drive_between_arucos.py
+++ b/drive_between_arucos.py
@@ -43,7 +43,7 @@ def find_arucos(arlo):
         arucos = find_aruco(arlo.take_photo())
         if arucos != []:
             for aruco, id_ in arucos:
-                aruco_dict[id_] = aruco
+                aruco_dict[id_] = aruco.tolist()
 
             if len(aruco_dict) >= 2:
                 break