works but leaks

code/game/turfs/change_turf.dm

@@ -148,16 +148,20 @@ GLOBAL_LIST_INIT(blacklisted_automated_baseturfs, typecacheof(list(
 		. = ..()
 		if (!.) // changeturf failed or didn't do anything
 			QDEL_NULL(stashed_air)
-			update_air_ref(planetary_atmos ? 1 : 2)
 			return
 		var/turf/open/newTurf = .
 		newTurf.air.copy_from(stashed_air)
+		update_air_ref(planetary_atmos ? 1 : 2)
 		QDEL_NULL(stashed_air)
 	else
 		if(ispath(path,/turf/closed))
 			flags |= CHANGETURF_RECALC_ADJACENT
 			update_air_ref(-1)
-		return ..()
+			. = ..()
+		else
+			. = ..()
+			if(!istype(air,/datum/gas_mixture))
+				Initalize_Atmos(0)
 
 // Take off the top layer turf and replace it with the next baseturf down
 /turf/proc/ScrapeAway(amount=1, flags)

code/game/turfs/open.dm

@@ -218,6 +218,12 @@
 			flash_color(L, flash_color = "#C80000", flash_time = 10)
 
 /turf/open/Initalize_Atmos(times_fired)
+	if(!blocks_air)
+		if(!istype(air,/datum/gas_mixture/turf))
+			air = new(2500,src)
+		air.copy_from_turf(src)
+		update_air_ref(planetary_atmos ? 1 : 2)
+
 	update_visuals()
 
 	ImmediateCalculateAdjacentTurfs()

code/game/world.dm

@@ -272,6 +272,7 @@ GLOBAL_LIST(topic_status_cache)
 
 	log_world("World rebooted at [TIME_STAMP("hh:mm:ss", FALSE)]")
 	shutdown_logging() // Past this point, no logging procs can be used, at risk of data loss.
+	AUXTOOLS_SHUTDOWN(AUXMOS)
 	..()
 
 /world/Del()