diff --git a/Resources/Prototypes/Entities/Objects/Weapons/Guns/Projectiles/projectiles.yml b/Resources/Prototypes/Entities/Objects/Weapons/Guns/Projectiles/projectiles.yml
index ca3d638c65..48568e0b00 100644
--- a/Resources/Prototypes/Entities/Objects/Weapons/Guns/Projectiles/projectiles.yml
+++ b/Resources/Prototypes/Entities/Objects/Weapons/Guns/Projectiles/projectiles.yml
@@ -1351,7 +1351,8 @@
           bounds: "-0.15,-0.3,0.15,0.3"
         hard: false
         mask:
-        - Opaque
+        - Impassable
+        - BulletImpassable
       fly-by: *flybyfixture
   - type: Ammo
     muzzleFlash: null