diff --git a/code/game/machinery/machinery.dm b/code/game/machinery/machinery.dm
index 69ec66f91ea..c5684fb0126 100644
--- a/code/game/machinery/machinery.dm
+++ b/code/game/machinery/machinery.dm
@@ -221,7 +221,7 @@
 	else
 		return attack_hand(user)
 
-/obj/machinery/attack_hand(mob/user as mob)
+/obj/machinery/attack_hand(mob/user)
 	if(user.incapacitated())
 		return TRUE