diff --git a/code/datums/elements/mob_holder.dm b/code/datums/elements/mob_holder.dm
index 3cd5367f65..557cfb8f34 100644
--- a/code/datums/elements/mob_holder.dm
+++ b/code/datums/elements/mob_holder.dm
@@ -162,6 +162,11 @@
 		L.visible_message("<span class='warning'>[held_mob] escapes from [L]!</span>", "<span class='warning'>[held_mob] escapes your grip!</span>")
 	release()
 
+/obj/item/clothing/head/mob_holder/mob_can_equip(mob/living/M, mob/living/equipper, slot, disable_warning = FALSE, bypass_equip_delay_self = FALSE)
+	if(!ishuman(M)) //monkeys holding monkeys holding monkeys...
+		return FALSE
+	return ..()
+
 /obj/item/clothing/head/mob_holder/assume_air(datum/gas_mixture/env)
 	var/atom/location = loc
 	if(!loc)