1 files changed, 1 insertions, 1 deletions
diff --git a/blackbox.c b/blackbox.c
index 629b7ec..b334cf7 100644
--- a/blackbox.c
+++ b/blackbox.c
@@ -1505,7 +1505,7 @@ static void game_print(drawing *dr, const game_state *state, int tilesize)
 const struct game thegame = {
     "Black Box", "games.blackbox", "blackbox",
     default_params,
-    game_fetch_preset,
+    game_fetch_preset, NULL,
     decode_params,
     encode_params,
     free_params,