diff --git a/GainStation13/code/obj/structure/airlock.dm b/GainStation13/code/obj/structure/airlock.dm
index 7e5417c5..54ec3e29 100644
--- a/GainStation13/code/obj/structure/airlock.dm
+++ b/GainStation13/code/obj/structure/airlock.dm
@@ -1,10 +1,10 @@
-/obj/machinery/door/airlock
+/obj/machinery/door
 	var/fatness_to_check = 0
 
 	var/check_fatness = FALSE
-	var/check_below = FALSE
+	var/check_fatness_below = FALSE
 
-/obj/machinery/door/airlock/proc/change_fatness_to_check(mob/user)
+/obj/machinery/door/proc/change_fatness_to_check(mob/user)
 	var/fatness_type = input(usr,
 		"What level of fatness do you wish to alert above/under at?",
 		src, "None") as null|anything in list(
diff --git a/code/game/machinery/doors/door.dm b/code/game/machinery/doors/door.dm
index 9485a1ce..08e8d0aa 100644
--- a/code/game/machinery/doors/door.dm
+++ b/code/game/machinery/doors/door.dm
@@ -178,9 +178,9 @@
 	//GS13 EDIT
 	var/mob/living/carbon/human/bump_mob = M
 	if(check_fatness && istype(bump_mob))
-		if(check_below && (bump_mob.fatness >= fatness_to_check))
+		if(check_fatness_below && (bump_mob.fatness >= fatness_to_check))
 			return FALSE
-		if(!check_below && (bump_mob.fatness < fatness_to_check))
+		if(!check_fatness_below && (bump_mob.fatness < fatness_to_check))
 			return FALSE
 
 	return ..()
diff --git a/tgstation.dme b/tgstation.dme
index c782b0e1..857ac0ea 100644
--- a/tgstation.dme
+++ b/tgstation.dme
@@ -3129,6 +3129,7 @@
 #include "GainStation13\code\obj\items\holy.dm"
 #include "GainStation13\code\obj\items\minor_items.dm"
 #include "GainStation13\code\obj\items\sensors\weight_infared.dm"
+#include "GainStation13\code\obj\structure\airlock.dm"
 #include "GainStation13\code\obj\structure\calorite_doors.dm"
 #include "GainStation13\code\obj\structure\candylight.dm"
 #include "GainStation13\code\obj\structure\fountain.dm"