diff --git a/Content.Server/Weapon/Melee/MeleeWeaponSystem.cs b/Content.Server/Weapon/Melee/MeleeWeaponSystem.cs
index 83a6118ea2..e2926ae7bf 100644
--- a/Content.Server/Weapon/Melee/MeleeWeaponSystem.cs
+++ b/Content.Server/Weapon/Melee/MeleeWeaponSystem.cs
@@ -258,7 +258,7 @@ namespace Content.Server.Weapon.Melee
                 var castAngle = new Angle(baseAngle + increment * i);
                 var res = Get<SharedPhysicsSystem>().IntersectRay(mapId,
                     new CollisionRay(position, castAngle.ToWorldVec(),
-                        (int) (CollisionGroup.Impassable | CollisionGroup.MobImpassable)), range, ignore).ToList();
+                        (int) (CollisionGroup.MobMask | CollisionGroup.Opaque)), range, ignore).ToList();
 
                 if (res.Count != 0)
                 {