diff --git a/code/game/turfs/closed.dm b/code/game/turfs/closed.dm
index a011c7053a..029bb5b212 100644
--- a/code/game/turfs/closed.dm
+++ b/code/game/turfs/closed.dm
@@ -9,6 +9,10 @@
 	. = ..()
 	AddComponent(/datum/component/rad_insulation, RAD_MEDIUM_INSULATION)
 
+/turf/closed/ChangeTurf()
+	. = ..()
+	SSair.high_pressure_delta -= src
+
 /turf/closed/get_smooth_underlay_icon(mutable_appearance/underlay_appearance, turf/asking_turf, adjacency_dir)
 	return FALSE