diff --git a/modular_skyrat/modules/mapping/_maps/RandomRuins/SpaceRuins/dangerous_research.dmm b/modular_skyrat/modules/mapping/_maps/RandomRuins/SpaceRuins/dangerous_research.dmm
index 0ce8d451d0b..d1fba409f3b 100644
--- a/modular_skyrat/modules/mapping/_maps/RandomRuins/SpaceRuins/dangerous_research.dmm
+++ b/modular_skyrat/modules/mapping/_maps/RandomRuins/SpaceRuins/dangerous_research.dmm
@@ -934,6 +934,7 @@
 "qq" = (
 /obj/machinery/door/airlock/science,
 /obj/effect/decal/cleanable/dirt/dust,
+/obj/effect/mapping_helpers/airlock/locked,
 /turf/open/floor/iron,
 /area/ruin/space/has_grav)
 "qE" = (