diff --git a/code/game/objects/structures/window.dm b/code/game/objects/structures/window.dm
index 7050808fb4..843ab7dd37 100644
--- a/code/game/objects/structures/window.dm
+++ b/code/game/objects/structures/window.dm
@@ -154,7 +154,7 @@
 	attack_generic(user, rand(10, 15))
 
 
-/obj/structure/window/attackby(obj/item/weapon/W as obj, mob/user as mob)
+/obj/structure/window/attackby(obj/item/W as obj, mob/user as mob)
 	if(!istype(W)) return//I really wish I did not need this
 
 	if (istype(W, /obj/item/weapon/grab) && get_dist(src,user)<2)