diff --git a/code/modules/projectiles/guns/ballistic/revolver.dm b/code/modules/projectiles/guns/ballistic/revolver.dm
index 73ac18d7af00..27c3d124906a 100644
--- a/code/modules/projectiles/guns/ballistic/revolver.dm
+++ b/code/modules/projectiles/guns/ballistic/revolver.dm
@@ -727,4 +727,4 @@ EMPTY_GUN_HELPER(revolver/detective)
 	// if you go through the pain of not only using this shitty gun, but also with the fucking gunslinger quirk, you deserve this bonus. not a BIG bonus, but enough as an incentive to make people actually take the quirk.
 	if(chambered.BB && (HAS_TRAIT(user, TRAIT_GUNSLINGER)))
 		chambered.BB.damage += 5
-		chambered.armour_penetration += 5
+		chambered.BB.armour_penetration += 5