diff --git a/code/modules/mining/lavaland/necropolis_chests.dm b/code/modules/mining/lavaland/necropolis_chests.dm
index 7375d1f4a2b4..288adcf67e1c 100644
--- a/code/modules/mining/lavaland/necropolis_chests.dm
+++ b/code/modules/mining/lavaland/necropolis_chests.dm
@@ -28,7 +28,7 @@
 		if(6)
 			new /obj/item/reagent_containers/glass/bottle/potion/flight(src)
 		if(7)
-			new /obj/item/pickaxe/diamond(src)
+			new /obj/item/stack/sheet/mineral/mythril(src)
 		if(8)
 			if(prob(50))
 				new /obj/item/disk/design_disk/modkit_disc/resonator_blast(src)