diff --git a/squirrelbattle/game.py b/squirrelbattle/game.py
index 7d1bc4c..1513695 100644
--- a/squirrelbattle/game.py
+++ b/squirrelbattle/game.py
@@ -192,7 +192,7 @@ class Game:
 
         # We move up on the ladder of the beginning,
         # down at the end of the stage
-        move_down = y != self.map.start_y and x != self.map.start_x
+        move_down = y != self.map.start_y or x != self.map.start_x
         old_map = self.map
         self.map_index += 1 if move_down else -1
         if self.map_index == -1: