diff --git a/conf/battle/monster.conf b/conf/battle/monster.conf
index ae2aad27f0..beefa776f4 100644
--- a/conf/battle/monster.conf
+++ b/conf/battle/monster.conf
@@ -230,7 +230,7 @@ mvp_tomb_enabled: yes
 
 // Delay before the MVP tomb is spawned.
 // Default: 9 seconds
-mvp_mob_delay: 9000
+mvp_tomb_delay: 9000
 
 // Whether or not the size of specially summoned mobs influences experience, drop rates,
 // and stats. The rates will be doubled for large mobs, and halved for small ones.