diff --git a/maps/sierra/z1-z5_sierra.dmm b/maps/sierra/z1-z5_sierra.dmm
index 0e599dbba2b5e..7fbad9d8d529b 100644
--- a/maps/sierra/z1-z5_sierra.dmm
+++ b/maps/sierra/z1-z5_sierra.dmm
@@ -19952,7 +19952,8 @@
 /area/turret_protected/ai)
 "cXE" = (
 /obj/machinery/atmospherics/unary/vent_pump/high_volume/airlock{
-	dir = 4
+	dir = 4;
+	id_tag = "td_port"
 	},
 /obj/structure/catwalk,
 /obj/machinery/embedded_controller/radio/airlock/airlock_controller{
@@ -19962,6 +19963,9 @@
 	dir = 4;
 	pixel_x = -20
 	},
+/obj/floor_decal/industrial/warning/half{
+	dir = 4
+	},
 /turf/simulated/floor/plating,
 /area/maintenance/thirddeck/port)
 "cXG" = (
@@ -71658,7 +71662,8 @@
 /area/maintenance/compactor)
 "kJX" = (
 /obj/machinery/atmospherics/unary/vent_pump/high_volume/airlock{
-	dir = 8
+	dir = 8;
+	id_tag = "td_port"
 	},
 /obj/floor_decal/industrial/warning/cee{
 	dir = 1
@@ -94514,7 +94519,8 @@
 /area/engineering/atmos)
 "ojh" = (
 /obj/machinery/atmospherics/unary/vent_pump/high_volume/airlock{
-	dir = 4
+	dir = 4;
+	id_tag = "td_port"
 	},
 /obj/floor_decal/industrial/warning/cee{
 	dir = 1
@@ -127504,7 +127510,8 @@
 /area/medical/staging)
 "sZZ" = (
 /obj/machinery/atmospherics/unary/vent_pump/high_volume/airlock{
-	dir = 8
+	dir = 8;
+	id_tag = "td_port"
 	},
 /obj/floor_decal/industrial/warning/cee,
 /obj/structure/catwalk,
@@ -143165,7 +143172,8 @@
 /area/thruster/d1starboard)
 "vud" = (
 /obj/machinery/atmospherics/unary/vent_pump/high_volume/airlock{
-	dir = 4
+	dir = 4;
+	id_tag = "td_port"
 	},
 /obj/floor_decal/industrial/warning/cee,
 /obj/structure/catwalk,
@@ -158789,7 +158797,8 @@
 /area/quartermaster/office)
 "xPm" = (
 /obj/machinery/atmospherics/unary/vent_pump/high_volume/airlock{
-	dir = 8
+	dir = 8;
+	id_tag = "td_port"
 	},
 /obj/floor_decal/industrial/warning/half{
 	dir = 4