diff --git a/dungeonbattle/mapgeneration/randomwalk.py b/dungeonbattle/mapgeneration/randomwalk.py
index c9234f9..e93a4e6 100644
--- a/dungeonbattle/mapgeneration/randomwalk.py
+++ b/dungeonbattle/mapgeneration/randomwalk.py
@@ -92,8 +92,8 @@ class Generator:
             walkers = next_walker_pop
 
 
-        start_x, start_y = randint(0, width), randint(0, height)
+        start_x, start_y = randint(0, width-1), randint(0, height-1)
         while grid[start_y][start_x] != Tile.FLOOR:
-            start_x, start_y = randint(0, width), randint(0, height)
+            start_x, start_y = randint(0, width-1), randint(0, height-1)
 
         return Map(width, height, grid, start_x, start_y)