diff --git a/npc/pre-re/scripts_monsters.conf b/npc/pre-re/scripts_monsters.conf
index 2be09a3ecf..20165d81e3 100644
--- a/npc/pre-re/scripts_monsters.conf
+++ b/npc/pre-re/scripts_monsters.conf
@@ -67,6 +67,7 @@ npc: npc/pre-re/mobs/dungeons/tha_t.txt
 npc: npc/pre-re/mobs/dungeons/thor_v.txt
 npc: npc/pre-re/mobs/dungeons/treasure.txt
 npc: npc/pre-re/mobs/dungeons/tur_dun.txt
+npc: npc/pre-re/mobs/dungeons/un_dun.txt
 npc: npc/pre-re/mobs/dungeons/xmas_dun.txt
 npc: npc/pre-re/mobs/dungeons/yggdrasil.txt