diff --git a/code/modules/mob/living/simple_mob/subtypes/vore/slug.dm b/code/modules/mob/living/simple_mob/subtypes/vore/slug.dm
index 19ccd6985d..16f68eb8f1 100644
--- a/code/modules/mob/living/simple_mob/subtypes/vore/slug.dm
+++ b/code/modules/mob/living/simple_mob/subtypes/vore/slug.dm
@@ -96,6 +96,8 @@
 		return
 	if(istype(get_turf(src), /turf/simulated/floor/water)) //Important to stop my_slime from filling with null entries in water.
 		return
+	if(locate(/obj/effect/slug_glue) in get_turf(src)) // Don't stack slime forever
+		return
 	var/obj/effect/slug_glue/G = new /obj/effect/slug_glue/(get_turf(src))
 	G.my_slug = src
 	my_slime += G