diff --git a/config/upgrade_aquatic-common.toml b/config/upgrade_aquatic-common.toml
index 9bfa8ef..b4c8746 100644
--- a/config/upgrade_aquatic-common.toml
+++ b/config/upgrade_aquatic-common.toml
@@ -16,5 +16,5 @@
 	"Drowned swimming animation" = true
 	#The max height that deep ocean mobs can spawn at
 	#Range: 0 ~ 255
-	"Deep ocean mob max height" = 30
+	"Deep ocean mob max height" = 0