diff --git a/robotgame/logic/rollingstone.py b/robotgame/logic/rollingstone.py
index 37e6f6f..82639d6 100644
--- a/robotgame/logic/rollingstone.py
+++ b/robotgame/logic/rollingstone.py
@@ -178,7 +178,7 @@ def generate_simple_unsolved_solvable_extra(width, height, nturns, nstones):
     of the direction object not returned by that function. You probably want to
     use this in your game.
     """
-    playfield, steps, directions = generate_simple_unsolved_solvable(
+    playfield, steps, directions = generate_simple_unsolved_solvable_playfield(
         width, height, nturns, nstones)
     missing_dir = list(all_directions - set(directions))[0]
     return playfield, steps, directions + [missing_dir] * (len(directions) / 3)