diff --git a/code/modules/clothing/under/jobs/Plasmaman/civilian_service.dm b/code/modules/clothing/under/jobs/Plasmaman/civilian_service.dm
index 20c5eaecec0..52e22521c62 100644
--- a/code/modules/clothing/under/jobs/Plasmaman/civilian_service.dm
+++ b/code/modules/clothing/under/jobs/Plasmaman/civilian_service.dm
@@ -6,6 +6,7 @@
 	inhand_icon_state = "plasmaman"
 	icon = 'icons/obj/clothing/under/plasmaman.dmi'
 	worn_icon = 'icons/mob/clothing/under/plasmaman.dmi'
+	permeability_coefficient = 0.5
 	armor = list(MELEE = 0, BULLET = 0, LASER = 0, ENERGY = 0, BOMB = 0, BIO = 100, FIRE = 95, ACID = 95)
 	body_parts_covered = CHEST|GROIN|LEGS|FEET|ARMS|HANDS
 	can_adjust = FALSE