diff --git a/code/modules/mob/living/carbon/human/human_defense.dm b/code/modules/mob/living/carbon/human/human_defense.dm
index 76171ca71b0..55e53680200 100644
--- a/code/modules/mob/living/carbon/human/human_defense.dm
+++ b/code/modules/mob/living/carbon/human/human_defense.dm
@@ -59,14 +59,14 @@ emp_act
 			return 1
 	if(wear_suit && istype(wear_suit, /obj/item/))
 		var/obj/item/I = wear_suit
-		if(I.IsShield() && (prob(50 - round(damage / 3))))
+		if(I.IsShield() && (prob(35)))
 			visible_message("\red <B>The reactive teleport system flings [src] clear of [attack_text]!</B>")
 			var/list/turfs = new/list()
 			for(var/turf/T in orange(6))
 				if(istype(T,/turf/space)) continue
 				if(T.density) continue
-				if(T.x>world.maxx-8 || T.x<8)	continue
-				if(T.y>world.maxy-8 || T.y<8)	continue
+				if(T.x>world.maxx-6 || T.x<6)	continue
+				if(T.y>world.maxy-6 || T.y<6)	continue
 				turfs += T
 			if(!turfs.len) turfs += pick(/turf in orange(6))
 			var/turf/picked = pick(turfs)