diff --git a/maps/sierra/z1-z5_sierra.dmm b/maps/sierra/z1-z5_sierra.dmm
index 363e6f50fd439..ae305e80e470a 100644
--- a/maps/sierra/z1-z5_sierra.dmm
+++ b/maps/sierra/z1-z5_sierra.dmm
@@ -46801,8 +46801,17 @@
 /obj/machinery/meter,
 /obj/floor_decal/industrial/warning/corner,
 /obj/machinery/button/ignition{
-	pixel_x = -20;
-	id_tag = "ToxLab"
+	pixel_x = -21;
+	id_tag = "ToxLab";
+	dir = 4;
+	pixel_y = 3
+	},
+/obj/machinery/button/blast_door{
+	pixel_y = -7;
+	dir = 4;
+	pixel_x = -21;
+	id_tag = "ToxLabVent";
+	name = "Test Chamber Vent"
 	},
 /turf/simulated/floor/tiled/steel_grid,
 /area/rnd/toxins)
@@ -48829,7 +48838,9 @@
 /turf/simulated/floor/plating,
 /area/vacant/gambling)
 "hgg" = (
-/obj/machinery/door/blast/regular,
+/obj/machinery/door/blast/regular{
+	id_tag = "ToxLabVent"
+	},
 /turf/simulated/floor/reinforced{
 	map_airless = 1
 	},