diff --git a/code/modules/mob/living/carbon/human/human.dm b/code/modules/mob/living/carbon/human/human.dm
index 02a5e7338a0e..b90c029240cc 100644
--- a/code/modules/mob/living/carbon/human/human.dm
+++ b/code/modules/mob/living/carbon/human/human.dm
@@ -634,7 +634,6 @@
 		var/they_lung = C.getorganslot(ORGAN_SLOT_LUNGS)
 		var/they_ashlung = C.getorgan(/obj/item/organ/lungs/ashwalker) // yogs - Do they have ashwalker lungs?
 		var/we_ashlung = getorgan(/obj/item/organ/lungs/ashwalker) // yogs - Does the guy doing CPR have ashwalker lungs?
-		var/anticpr = min(C.getOxyLoss(), 10) // yogs - for incompatible lungs
 
 		if(C.health > C.crit_threshold)
 			return
@@ -645,16 +644,11 @@
 		log_combat(src, C, "CPRed")
 		SSachievements.unlock_achievement(/datum/achievement/cpr, client)
 		// yogs start - can't CPR people with ash walker lungs whithout having them yourself
-		if(they_breathe && they_ashlung && !we_ashlung)
-			C.adjustOxyLoss(anticpr)
+		if(they_breathe && !!they_ashlung != !!we_ashlung)
+			C.adjustOxyLoss(10)
 			C.updatehealth()
 			to_chat(C, "<span class='unconscious'>You feel a breath of fresh air enter your lungs... you feel worse...")
 			SSachievements.unlock_achievement(/datum/achievement/anticpr, client) //you can get both achievements at the same time I guess
-		else if(they_breathe && they_lung && we_ashlung)
-			C.adjustOxyLoss(anticpr)
-			C.updatehealth()
-			to_chat(C, "<span class='unconscious'>You feel a breath of fresh air enter your lungs... you feel worse...")
-			SSachievements.unlock_achievement(/datum/achievement/anticpr, client)
 		//yogs end
 		else if(they_breathe && they_lung)
 			var/suff = min(C.getOxyLoss(), 7)