diff --git a/code/modules/mob/living/carbon/human/life/handle_regular_hud_updates.dm b/code/modules/mob/living/carbon/human/life/handle_regular_hud_updates.dm
index 0d850a47f73e..0772d952d082 100644
--- a/code/modules/mob/living/carbon/human/life/handle_regular_hud_updates.dm
+++ b/code/modules/mob/living/carbon/human/life/handle_regular_hud_updates.dm
@@ -40,9 +40,9 @@
 			else
 				clear_fullscreen("oxy")
 
-
 			//Fire and Brute damage overlay (BSSR)
-			var/hurtdamage = src.getBruteLoss() + src.getFireLoss() + damageoverlaytemp
+			var/max_health_normalisation = (species ? species.total_health : 100) / 100
+			var/hurtdamage = (getBruteLoss() + getFireLoss()) / max_health_normalisation + damageoverlaytemp
 			damageoverlaytemp = 0 // We do this so we can detect if someone hits us or not.
 			if(hurtdamage)
 				var/severity = 0