diff --git a/code/modules/clothing/spacesuits/hardsuit.dm b/code/modules/clothing/spacesuits/hardsuit.dm
index bf52b26ae9..324d4bc722 100644
--- a/code/modules/clothing/spacesuits/hardsuit.dm
+++ b/code/modules/clothing/spacesuits/hardsuit.dm
@@ -627,7 +627,9 @@
 	allowed = list(/obj/item/flashlight, /obj/item/tank/internals, /obj/item/storage, /obj/item/construction/rcd, /obj/item/pipe_dispenser)
 	helmettype = /obj/item/clothing/head/helmet/space/hardsuit/ancient/mason
 	max_heat_protection_temperature = FIRE_IMMUNITY_MAX_TEMP_PROTECT
+	clothing_flags = STOPSPRESSUREDAMAGE | THICKMATERIAL | IMMUTABLE_SLOW
 	resistance_flags = LAVA_PROOF | FIRE_PROOF | ACID_PROOF
+	flags_1 = TESLA_IGNORE_1
 
 /obj/item/clothing/head/helmet/space/hardsuit/ancient/mason
 	name = "M.A.S.O.N RIG helmet"
@@ -637,12 +639,13 @@
 	armor = list("melee" = 20, "bullet" = 15, "laser" = 15, "energy" = 45, "bomb" = 100, "bio" = 100, "rad" = 100, "fire" = 100, "acid" = 100)
 	item_color = "ancient"
 	brightness_on = 16
-	clothing_flags = STOPSPRESSUREDAMAGE | THICKMATERIAL | BLOCK_GAS_SMOKE_EFFECT | ALLOWINTERNALS | SCAN_REAGENTS
 	flash_protect = 5 //We will not be flash by bombs
 	tint = 1
 	var/obj/machinery/doppler_array/integrated/bomb_radar
 	max_heat_protection_temperature = FIRE_IMMUNITY_MAX_TEMP_PROTECT
+	clothing_flags = STOPSPRESSUREDAMAGE | THICKMATERIAL | BLOCK_GAS_SMOKE_EFFECT | ALLOWINTERNALS | SCAN_REAGENTS
 	resistance_flags = LAVA_PROOF | FIRE_PROOF | ACID_PROOF
+	flags_1 = TESLA_IGNORE_1
 
 /obj/item/clothing/head/helmet/space/hardsuit/ancient/mason/Initialize()
 	. = ..()