diff --git a/code/modules/surgery/organs/subtypes/unathi_organs.dm b/code/modules/surgery/organs/subtypes/unathi_organs.dm
index dc857c9e82e..f31935f4994 100644
--- a/code/modules/surgery/organs/subtypes/unathi_organs.dm
+++ b/code/modules/surgery/organs/subtypes/unathi_organs.dm
@@ -30,4 +30,4 @@
 	icon = 'icons/obj/species_organs/unathi.dmi'
 
 /obj/item/organ/internal/lungs/unathi/ash_walker
-	safe_oxygen_min = 0 // can breathe on lavaland
+	safe_oxygen_min = 4 // 4x as efficient as regular Unathi, can comfortably breathe on lavaland