diff --git a/code/game/machinery/alarm.dm b/code/game/machinery/alarm.dm index b1fcd04cd08..91eaa41821d 100644 --- a/code/game/machinery/alarm.dm +++ b/code/game/machinery/alarm.dm @@ -556,6 +556,7 @@ /obj/machinery/alarm/proc/ui_air_status() var/turf/location = get_turf(src) + if(!istype(location)) return var/datum/gas_mixture/environment = location.return_air() var/total = environment.oxygen + environment.carbon_dioxide + environment.toxins + environment.nitrogen if(total==0)