diff --git a/code/modules/mob/living/simple_animal/spawner.dm b/code/modules/mob/living/simple_animal/spawner.dm
index 7c59ab4ab35..0cbf24cf6e2 100644
--- a/code/modules/mob/living/simple_animal/spawner.dm
+++ b/code/modules/mob/living/simple_animal/spawner.dm
@@ -18,6 +18,7 @@
 	atmos_requirements = list("min_oxy" = 0, "max_oxy" = 0, "min_tox" = 0, "max_tox" = 0, "min_co2" = 0, "max_co2" = 5, "min_n2" = 0, "max_n2" = 0)
 	minbodytemp = 0
 	maxbodytemp = 350
+	layer = MOB_LAYER-0.1
 	sentience_type = SENTIENCE_BOSS