diff --git a/code/modules/mob/living/carbon/human/life.dm b/code/modules/mob/living/carbon/human/life.dm
index 9909d523c08..cf3b9bd6d52 100644
--- a/code/modules/mob/living/carbon/human/life.dm
+++ b/code/modules/mob/living/carbon/human/life.dm
@@ -394,7 +394,7 @@
 		var/oxygen_used = 0
 		var/nitrogen_used = 0
 		var/breath_pressure = (breath.total_moles()*R_IDEAL_GAS_EQUATION*breath.temperature)/BREATH_VOLUME
-		var/safe_oxygen_max = 1 // For vox.
+		var/vox_oxygen_max = 1 // For vox.
 
 		//Partial pressure of the O2 in our breath
 		var/O2_pp = (breath.oxygen/breath.total_moles())*breath_pressure
@@ -438,11 +438,6 @@
 				failed_last_breath = 1
 			oxygen_alert = max(oxygen_alert, 1)
 
-			if(O2_pp > safe_oxygen_max) //Oxygen is toxic to vox.
-				var/ratio = (breath.oxygen/safe_oxygen_max) * 10
-				adjustToxLoss(Clamp(ratio, MIN_PLASMA_DAMAGE, MAX_PLASMA_DAMAGE))
-				toxins_alert = max(toxins_alert, 1)
-
 		else								// We're in safe limits
 			failed_last_breath = 0
 			adjustOxyLoss(-5)
@@ -474,6 +469,10 @@
 			if(reagents)
 				reagents.add_reagent("plasma", Clamp(ratio, MIN_PLASMA_DAMAGE, MAX_PLASMA_DAMAGE))
 			toxins_alert = max(toxins_alert, 1)
+		else if(O2_pp > vox_oxygen_max && src.dna.mutantrace=="vox") //Oxygen is toxic to vox.
+			var/ratio = (breath.oxygen/vox_oxygen_max) * 10
+			adjustToxLoss(Clamp(ratio, MIN_PLASMA_DAMAGE, MAX_PLASMA_DAMAGE))
+			toxins_alert = max(toxins_alert, 1)
 		else
 			toxins_alert = 0