diff --git a/code/modules/mob/living/carbon/human/species.dm b/code/modules/mob/living/carbon/human/species.dm
index d789d65410a..77885a02e4a 100644
--- a/code/modules/mob/living/carbon/human/species.dm
+++ b/code/modules/mob/living/carbon/human/species.dm
@@ -1120,7 +1120,7 @@
 			H.failed_last_breath = 0
 			if(H.getOxyLoss())
 				H.adjustOxyLoss(-5)
-			gas_breathed = breath_gases["o2"][MOLES]/6
+			gas_breathed = breath_gases["o2"][MOLES]
 			H.clear_alert("oxy")
 
 	//Exhale
@@ -1157,7 +1157,7 @@
 		else
 			H.failed_last_breath = 0
 			H.adjustOxyLoss(-5)
-			gas_breathed = breath_gases["co2"][MOLES]/6
+			gas_breathed = breath_gases["co2"][MOLES]
 			H.clear_alert("not_enough_co2")
 
 	//Exhale
@@ -1187,7 +1187,7 @@
 		else
 			H.failed_last_breath = 0
 			H.adjustOxyLoss(-5)
-			gas_breathed = breath_gases["plasma"][MOLES]/6
+			gas_breathed = breath_gases["plasma"][MOLES]
 			H.clear_alert("not_enough_tox")
 
 	//Exhale
diff --git a/code/modules/mob/living/carbon/life.dm b/code/modules/mob/living/carbon/life.dm
index 92300de2349..c230c223b1f 100644
--- a/code/modules/mob/living/carbon/life.dm
+++ b/code/modules/mob/living/carbon/life.dm
@@ -88,8 +88,8 @@
 
 	check_breath(breath)
 
-	/*if(breath)
-		loc.assume_air(breath)*/
+	if(breath)
+		loc.assume_air(breath)
 
 /mob/living/carbon/proc/has_smoke_protection()
 	return 0
@@ -133,7 +133,7 @@
 			var/ratio = safe_oxy_min/O2_partialpressure
 			adjustOxyLoss(min(5*ratio, 3))
 			failed_last_breath = 1
-			oxygen_used = breath_gases["o2"][MOLES]*ratio/6
+			oxygen_used = breath_gases["o2"][MOLES]*ratio
 		else
 			adjustOxyLoss(3)
 			failed_last_breath = 1
@@ -143,7 +143,7 @@
 		failed_last_breath = 0
 		if(oxyloss)
 			adjustOxyLoss(-5)
-		oxygen_used = breath_gases["o2"][MOLES]/6
+		oxygen_used = breath_gases["o2"][MOLES]
 		clear_alert("oxy")
 
 	breath_gases["o2"][MOLES] -= oxygen_used