diff --git a/code/modules/antagonists/eldritch_cult/eldritch_items.dm b/code/modules/antagonists/eldritch_cult/eldritch_items.dm
index fbf0740e50..ea6d1d50e2 100644
--- a/code/modules/antagonists/eldritch_cult/eldritch_items.dm
+++ b/code/modules/antagonists/eldritch_cult/eldritch_items.dm
@@ -50,7 +50,8 @@
 	background_icon_state = "bg_ecult"
 	button_icon_state = "shatter"
 	icon_icon = 'icons/mob/actions/actions_ecult.dmi'
-	check_flags = MOBILITY_HOLD|MOBILITY_MOVE|MOBILITY_USE
+	check_flags = NONE	// required_mobility_flags handles this
+	required_mobility_flags = MOBILITY_HOLD|MOBILITY_MOVE|MOBILITY_USE
 	var/mob/living/carbon/human/holder
 	var/obj/item/melee/sickly_blade/sword
 
@@ -62,11 +63,12 @@
 
 /datum/action/innate/heretic_shatter/IsAvailable()
 	if(IS_HERETIC(holder) || IS_HERETIC_MONSTER(holder))
-		return TRUE
+		return ..()
 	else
 		return FALSE
 
 /datum/action/innate/heretic_shatter/Activate()
+	. = ..()
 	var/turf/safe_turf = find_safe_turf(zlevels = sword.z, extended_safety_checks = TRUE)
 	do_teleport(holder,safe_turf,forceMove = TRUE)
 	to_chat(holder,"<span class='warning'>You feel a gust of energy flow through your body... the Rusted Hills heard your call...</span>")