fix

code/game/objects/items.dm

@@ -484,8 +484,8 @@ GLOBAL_VAR_INIT(embedpocalypse, FALSE) // if true, all items will be able to emb
 /obj/item/proc/ui_action_click(mob/user, actiontype)
 	attack_self(user)
 
-/obj/item/proc/IsReflect(var/def_zone) //This proc determines if and at what% an object will reflect energy projectiles if it's in l_hand,r_hand or wear_suit
-	return 0
+/obj/item/proc/IsReflect(var/def_zone) //This proc determines if and at what an object will reflect energy projectiles if it's in l_hand,r_hand or wear_suit
+	return FALSE
 
 /obj/item/proc/eyestab(mob/living/carbon/M, mob/living/carbon/user)
 

code/modules/clothing/suits/miscellaneous.dm

@@ -674,7 +674,7 @@
 	H.remove_hud_from(user)
 
 /obj/item/clothing/head/hooded/ablative/IsReflect(def_zone)
-	if(!(def_zone in BODY_ZONE_HEAD)) //If not shot where ablative is covering you, you don't get the reflection bonus!
+	if(def_zone != BODY_ZONE_HEAD) //If not shot where ablative is covering you, you don't get the reflection bonus!
 		return FALSE
 	if (prob(hit_reflect_chance))
 		return TRUE

code/modules/mob/living/carbon/human/human_defense.dm

@@ -89,12 +89,15 @@
 
 /mob/living/carbon/human/proc/check_reflect(def_zone) //Reflection checks for anything in your l_hand, r_hand, or wear_suit based on the reflection chance of the object
 	if(wear_suit)
-		if(wear_suit.IsReflect(def_zone) == 1)
-			return 1
+		if(wear_suit.IsReflect(def_zone))
+			return TRUE
+	if(head)
+		if(head.IsReflect(def_zone))
+			return TRUE
 	for(var/obj/item/I in held_items)
-		if(I.IsReflect(def_zone) == 1)
-			return 1
-	return 0
+		if(I.IsReflect(def_zone))
+			return TRUE
+	return FALSE
 
 /mob/living/carbon/human/proc/check_shields(atom/AM, damage, attack_text = "the attack", attack_type = MELEE_ATTACK, armour_penetration = 0)
 	var/block_chance_modifier = round(damage / -3)