diff --git a/code/modules/mob/transform_procs.dm b/code/modules/mob/transform_procs.dm
index e49bd5162b..fcaa77cac4 100644
--- a/code/modules/mob/transform_procs.dm
+++ b/code/modules/mob/transform_procs.dm
@@ -178,10 +178,7 @@
 
 	new /obj/effect/temp_visual/monkeyify/humanify(loc)
 
-	transformation_timer = addtimer(CALLBACK(src, .proc/finish_humanize, tr_flags), TRANSFORMATION_DURATION, TIMER_UNIQUE)
-
-/mob/living/carbon/proc/finish_humanize(tr_flags)
-	transformation_timer = null
+	sleep(TRANSFORMATION_DURATION)	//This entire proc CANNOT be split into two
 
 	var/list/stored_implants = list()
 	var/list/int_organs = list()