diff --git a/drones/core.py b/drones/core.py
index 122887a..43c26a0 100644
--- a/drones/core.py
+++ b/drones/core.py
@@ -196,7 +196,7 @@ def read(self, traj_dir):
 
     def reset(self):
         if self.external_traj is False:
-            super().reset()
+            super(Maze, self).reset()
             return
         self.init_obstacles()
         self.init_broadlines()