diff --git a/code/game/objects/effects/decals/Cleanable/misc.dm b/code/game/objects/effects/decals/Cleanable/misc.dm
index cc23136aba1..cfe0f282106 100644
--- a/code/game/objects/effects/decals/Cleanable/misc.dm
+++ b/code/game/objects/effects/decals/Cleanable/misc.dm
@@ -45,7 +45,7 @@
 		our_turf.dirt = clamp(max(age ? (dirt ? dirt : 101) : our_turf.dirt, our_turf.dirt), 0, 101)
 		var/calcalpha = our_turf.dirt > 50 ? min((our_turf.dirt - 50) * 5, 255) : 0
 		var/obj/effect/decal/cleanable/dirt/alreadythere = locate(/obj/effect/decal/cleanable/dirt, our_turf)
-		if (alreadythere)
+		if (alreadythere && alreadythere != src)
 			alreadythere.alpha = calcalpha
 			return INITIALIZE_HINT_QDEL
 		alpha = calcalpha