diff --git a/game.conf b/game.conf
index c7932a6..eb13285 100644
--- a/game.conf
+++ b/game.conf
@@ -2,5 +2,6 @@ name = Tutorial
 title = Tutorial
 description = Learn how to play Minetest.
 disallowed_mapgens = v5, v6, v7, valleys, carpathian, fractal, flat
+disallowed_mapgen_settings = seed
 allowed_mapgens = singlenode
 disabled_settings = enable_server, !enable_damage, creative_mode