diff --git a/code/game/turfs/simulated/chasm.dm b/code/game/turfs/simulated/chasm.dm
index ea64e37d..21551d63 100644
--- a/code/game/turfs/simulated/chasm.dm
+++ b/code/game/turfs/simulated/chasm.dm
@@ -126,6 +126,7 @@
 	tiled_dirt = FALSE
 	baseturfs = /turf/open/chasm/cloud
 	smooth = SMOOTH_FALSE
+	planetary_atmos = TRUE
 	initial_gas_mix = FROZEN_ATMOS
 	density = FALSE