diff --git a/code/game/gamemodes/nations/nations.dm b/code/game/gamemodes/nations/nations.dm
index 6737ee8b8f4..85e38cb8ed9 100644
--- a/code/game/gamemodes/nations/nations.dm
+++ b/code/game/gamemodes/nations/nations.dm
@@ -141,7 +141,7 @@ datum/game_mode/nations
 			qdel(oldmmi)
 
 /datum/game_mode/nations/proc/remove_access()
-	for(var/obj/machinery/door/airlock/W in machines)
+	for(var/obj/machinery/door/airlock/W in airlocks)
 		if(W.z in config.station_levels)
 			W.req_access = list()
 
diff --git a/code/game/machinery/doors/brigdoors.dm b/code/game/machinery/doors/brigdoors.dm
index 378ea22c6da..a64b99fd994 100644
--- a/code/game/machinery/doors/brigdoors.dm
+++ b/code/game/machinery/doors/brigdoors.dm
@@ -42,7 +42,7 @@
 	pixel_y = ((src.dir & 3)? (src.dir ==1 ? 24 : -32) : (0))
 
 	spawn(20)
-		for(var/obj/machinery/door/window/brigdoor/M in machines)
+		for(var/obj/machinery/door/window/brigdoor/M in airlocks)
 			if (M.id == src.id)
 				targets += M
 
diff --git a/code/modules/shuttle/shuttle.dm b/code/modules/shuttle/shuttle.dm
index 260438fbed8..158df539598 100644
--- a/code/modules/shuttle/shuttle.dm
+++ b/code/modules/shuttle/shuttle.dm
@@ -483,7 +483,7 @@
 	if(!istype(S0))
 		return 1
 
-	for(var/obj/machinery/door/airlock/A in machines)
+	for(var/obj/machinery/door/airlock/A in airlocks)
 		if(A.id_tag == S0.id)
 			spawn(-1)
 				A.close()
@@ -493,7 +493,7 @@
 	if(!istype(S1))
 		return 0
 
-	for(var/obj/machinery/door/airlock/A in machines)
+	for(var/obj/machinery/door/airlock/A in airlocks)
 		if(A.id_tag == S1.id)
 			spawn(-1)
 				if(A.locked)