diff --git a/code/modules/surgery/organs/lungs.dm b/code/modules/surgery/organs/lungs.dm
index e0e0b42653..553cc2d043 100644
--- a/code/modules/surgery/organs/lungs.dm
+++ b/code/modules/surgery/organs/lungs.dm
@@ -227,8 +227,7 @@
 			alert_category = breathing_class.high_alert_category
 			alert_type = breathing_class.high_alert_datum
 			danger_reagent = breathing_class.danger_reagent
-			for(var/gas in gases)
-				found_pp += PP(breath, gas)
+			found_pp = breathing_class.get_effective_pp(breath)
 		else
 			danger_reagent = danger_reagents[entry]
 			if(entry in breath_alert_info)