diff --git a/code/modules/antagonists/changeling/powers/mutations.dm b/code/modules/antagonists/changeling/powers/mutations.dm
index 99d8ae797b..893ee16d6b 100644
--- a/code/modules/antagonists/changeling/powers/mutations.dm
+++ b/code/modules/antagonists/changeling/powers/mutations.dm
@@ -161,6 +161,7 @@
 	throwforce = 0 //Just to be on the safe side
 	throw_range = 0
 	throw_speed = 0
+	armour_penetration = 20
 	hitsound = 'sound/weapons/bladeslice.ogg'
 	attack_verb = list("attacked", "slashed", "stabbed", "sliced", "torn", "ripped", "diced", "cut")
 	sharpness = IS_SHARP