diff --git a/code/game/objects/effects/spawners/random/maintenance.dm b/code/game/objects/effects/spawners/random/maintenance.dm
index 997c3bb1f0c..e5bebdef672 100644
--- a/code/game/objects/effects/spawners/random/maintenance.dm
+++ b/code/game/objects/effects/spawners/random/maintenance.dm
@@ -9,6 +9,11 @@
 /// decals such as ashes will cause NeverShouldHaveComeHere() to fail on such turfs, which creates annoying rng based CI failures
 /obj/effect/spawner/random/maintenance/no_decals
 
+/obj/effect/spawner/random/maintenance/no_decals/can_spawn(loot)
+	if(ispath(loot, /obj/effect/decal))
+		return FALSE
+	return ..()
+
 /obj/effect/spawner/random/maintenance/examine(mob/user)
 	. = ..()
 	. += span_info("This spawner has an effective loot count of [get_effective_lootcount()].")