diff --git a/code/modules/mob/living/carbon/human/species_types/zombies.dm b/code/modules/mob/living/carbon/human/species_types/zombies.dm
index fefaa025d3..a1dce4fb0f 100644
--- a/code/modules/mob/living/carbon/human/species_types/zombies.dm
+++ b/code/modules/mob/living/carbon/human/species_types/zombies.dm
@@ -45,7 +45,7 @@
 /datum/species/zombie/infectious/spec_stun(mob/living/carbon/human/H,amount)
 	. = min(20, amount)
 
-/datum/species/zombie/infectious/apply_damage(damage, damagetype = BRUTE, def_zone = null, blocked, mob/living/carbon/human/H)
+/datum/species/zombie/infectious/apply_damage(damage, damagetype = BRUTE, def_zone = null, blocked, mob/living/carbon/human/H, forced = FALSE)
 	. = ..()
 	if(.)
 		regen_cooldown = world.time + REGENERATION_DELAY