diff --git a/code/modules/organs/subtypes/machine.dm b/code/modules/organs/subtypes/machine.dm
index 04544035c0..858ab8eddb 100644
--- a/code/modules/organs/subtypes/machine.dm
+++ b/code/modules/organs/subtypes/machine.dm
@@ -35,6 +35,9 @@
 
 /obj/item/organ/internal/mmi_holder/New(var/mob/living/carbon/human/new_owner, var/internal)
 	..(new_owner, internal)
+	var/mob/living/carbon/human/dummy/mannequin/M = new_owner
+	if(istype(M))
+		return
 	if(!stored_mmi)
 		stored_mmi = new(src)
 	sleep(-1)