diff --git a/code/game/objects/items/mountable_frames/mountables.dm b/code/game/objects/items/mountable_frames/mountables.dm
index 6abe277b4d9..c850bb5b6e9 100644
--- a/code/game/objects/items/mountable_frames/mountables.dm
+++ b/code/game/objects/items/mountable_frames/mountables.dm
@@ -1,5 +1,8 @@
 /obj/item/mounted
-	var/list/buildon_types = list(/turf/simulated/wall)
+	var/list/buildon_types = list(
+		/turf/simulated/mineral/ancient,
+		/turf/simulated/wall
+	)
 
 
 /obj/item/mounted/afterattack(atom/A, mob/user, proximity_flag)