diff --git a/code/modules/mining/lavaland/necropolis_chests.dm b/code/modules/mining/lavaland/necropolis_chests.dm
index 7647d23f33f..a6f474a1993 100644
--- a/code/modules/mining/lavaland/necropolis_chests.dm
+++ b/code/modules/mining/lavaland/necropolis_chests.dm
@@ -588,7 +588,7 @@
 	playsound(src, 'sound/weapons/genhit3.ogg', 50, TRUE)
 	RegisterSignal(target, COMSIG_MOVABLE_IMPACT, .proc/strike_throw_impact)
 	var/atom/throw_target = get_edge_target_turf(target, user.dir)
-	target.throw_at(throw_target, 5, 3, user, FALSE, callback = CALLBACK(/datum/.proc/UnregisterSignal, target, COMSIG_MOVABLE_IMPACT))
+	target.throw_at(throw_target, 5, 3, user, FALSE, callback = CALLBACK(target, /datum/.proc/UnregisterSignal, target, COMSIG_MOVABLE_IMPACT))
 	target.apply_damage(17, BRUTE, BODY_ZONE_CHEST)
 	to_chat(target, "<span class='userdanger'>You've been struck by [user]!</span>")
 	user.do_attack_animation(target, ATTACK_EFFECT_PUNCH)