diff --git a/code/modules/surgery/blood_filter.dm b/code/modules/surgery/blood_filter.dm
index 46b0c1f9194..da6b56db022 100644
--- a/code/modules/surgery/blood_filter.dm
+++ b/code/modules/surgery/blood_filter.dm
@@ -11,17 +11,17 @@
 	requires_bodypart_type = TRUE
 	ignore_clothes = FALSE
 
+/datum/surgery/blood_filter/can_start(mob/user, mob/living/carbon/target)
+	if(HAS_TRAIT(target, TRAIT_HUSK)) //You can filter the blood of a dead person just not husked
+		return FALSE
+	return ..()
+
 /datum/surgery_step/filter_blood
 	name = "Filter blood"
 	implements = list(/obj/item/blood_filter = 95)
 	repeatable = TRUE
 	time = 2.5 SECONDS
 
-/datum/surgery/filter_blood/can_start(mob/user, mob/living/carbon/target)
-	if(HAS_TRAIT(target, TRAIT_HUSK)) //You can filter the blood of a dead person just not husked
-		return FALSE
-	return ..()
-
 /datum/surgery_step/filter_blood/preop(mob/user, mob/living/carbon/target, target_zone, obj/item/tool, datum/surgery/surgery)
 	display_results(user, target, "<span class='notice'>You begin filtering [target]'s blood...</span>",
 		"<span class='notice'>[user] uses the [tool] to filtering your blood.</span>",