diff --git a/code/modules/organs/subtypes/machine.dm b/code/modules/organs/subtypes/machine.dm
index f0ee2eb824..5e6645b091 100644
--- a/code/modules/organs/subtypes/machine.dm
+++ b/code/modules/organs/subtypes/machine.dm
@@ -5,6 +5,7 @@
 	organ_tag = O_CELL
 	parent_organ = BP_TORSO
 	vital = 1
+	var/defib_timer = 1 // This sits in the brain organ slot, but is not a brain.
 
 /obj/item/organ/internal/cell/New()
 	robotize()
@@ -46,6 +47,10 @@
 	sleep(-1)
 	update_from_mmi()
 
+// This sits in the brain organ slot, but is not a brain. Posibrains and dronecores aren't brains either.
+/obj/item/organ/internal/mmi_holder/proc/tick_defib_timer()
+	return
+
 /obj/item/organ/internal/mmi_holder/proc/update_from_mmi()
 
 	if(!stored_mmi.brainmob)
diff --git a/polaris.dme b/polaris.dme
index aea3e1f5df..7e999f1ffa 100644
--- a/polaris.dme
+++ b/polaris.dme
@@ -1425,8 +1425,8 @@
 #include "code\modules\ai\ai_holder_targeting.dm"
 #include "code\modules\ai\interfaces.dm"
 #include "code\modules\ai\say_list.dm"
-#include "code\modules\ai\ai_holder_subtypes\simple_mob_ai.dm"
-#include "code\modules\ai\ai_holder_subtypes\slime_xenobio_ai.dm"
+#include "code\modules\ai\aI_holder_subtypes\simple_mob_ai.dm"
+#include "code\modules\ai\aI_holder_subtypes\slime_xenobio_ai.dm"
 #include "code\modules\alarm\alarm.dm"
 #include "code\modules\alarm\alarm_handler.dm"
 #include "code\modules\alarm\atmosphere_alarm.dm"