diff --git a/squirrelbattle/mapgeneration/broguelike.py b/squirrelbattle/mapgeneration/broguelike.py
index 6101ceb..52ec246 100644
--- a/squirrelbattle/mapgeneration/broguelike.py
+++ b/squirrelbattle/mapgeneration/broguelike.py
@@ -136,17 +136,17 @@ class Generator:
         return room, doory, doorx, dy, dx
 
     def create_random_room(self):
-        return create_circular_room(self)
+        return self.create_circular_room()
     
     def run(self):
         height, width = self.params["height"], self.params["width"]
         level = [[Tile.EMPTY for i in range(width)] for j in range(height)]
 
         # the starting room must have no corridor
-        mem, self.params["corridor"] = self.params["corridor"], 0
+        mem, self.params["corridor_chance"] = self.params["corridor_chance"], 0
         starting_room, _, _, _, _ = self.create_random_room()
         self.place_room(level, height//2, width//2, 0, 0, starting_room)
-        self.params["corridor"] = mem
+        self.params["corridor_chance"] = mem
 
         # find a starting position
         sy, sx = randint(0, height-1), randint(0, width-1)