diff --git a/code/game/objects/items/holy_weapons.dm b/code/game/objects/items/holy_weapons.dm
index 06fd79bb79..1360fb970e 100644
--- a/code/game/objects/items/holy_weapons.dm
+++ b/code/game/objects/items/holy_weapons.dm
@@ -780,8 +780,8 @@
 	if(iscarbon(loc))
 		var/mob/living/carbon/wielder = loc
 		if(wielder.is_holding(src))
-			var/current_tiles = 10 / max(wielder.cached_multiplicative_movespeed, world.tick_lag)
-			var/datum/movespeed_modifier/M = wielder.add_or_update_variable_movespeed_modifier(/datum/movespeed_modifier/item/arrythmic_knife, update = FALSE, multiplicative_slowdown = pick(-10, -10, 0, (current_tiles - 2) / 10, (current_tiles - 4) / 10))
+			var/current_tiles = 10 / max(wielder.cached_multiplicative_slowdown, world.tick_lag)
+			var/datum/movespeed_modifier/M = wielder.add_or_update_variable_movespeed_modifier(/datum/movespeed_modifier/item/arrhythmic_knife, update = FALSE, multiplicative_slowdown = pick(-10, -10, 0, (current_tiles - 2) / 10, (current_tiles - 4) / 10))
 			M.max_tiles_per_second_boost = pick(3, 6)
 			wielder.update_movespeed()		// update movespeed manually