diff --git a/code/datums/ruins/lavaland.dm b/code/datums/ruins/lavaland.dm
index 3a54db4e0a..011363f001 100644
--- a/code/datums/ruins/lavaland.dm
+++ b/code/datums/ruins/lavaland.dm
@@ -42,6 +42,7 @@
 	However, all the inhabitants seem to do is grow drugs and guns."
 	suffix = "lavaland_surface_seed_vault.dmm"
 	cost = 10
+	allow_duplicates = FALSE
 
 /datum/map_template/ruin/lavaland/ash_walker
 	name = "Ash Walker Nest"