diff --git a/code/game/machinery/doors/multi_tile.dm b/code/game/machinery/doors/multi_tile.dm
index 5d9a5cac1e5..7afea2f110e 100644
--- a/code/game/machinery/doors/multi_tile.dm
+++ b/code/game/machinery/doors/multi_tile.dm
@@ -4,16 +4,14 @@
 
 /obj/machinery/door/airlock/multi_tile/New()
 	..()
-	switch(dir)
-		if(EAST, WEST)
-			bound_width = width * world.icon_size
-			bound_height = world.icon_size
-		else
-			bound_width = world.icon_size
-			bound_height = width * world.icon_size
+	SetBounds()
 
 /obj/machinery/door/airlock/multi_tile/Move()
 	. = ..()
+	SetBounds()
+
+
+/obj/machinery/door/airlock/multi_tile/proc/SetBounds()
 	if(dir in list(EAST, WEST))
 		bound_width = width * world.icon_size
 		bound_height = world.icon_size