diff --git a/code/modules/mob/living/carbon/human/life.dm b/code/modules/mob/living/carbon/human/life.dm
index cafcd1b7439..1c3c3226011 100644
--- a/code/modules/mob/living/carbon/human/life.dm
+++ b/code/modules/mob/living/carbon/human/life.dm
@@ -928,17 +928,17 @@
 				var/blood_volume = round(vessel.get_reagent_amount("blood"))
 				if(bloodloss)
 					drip(bloodloss)
-/*   //Causing too many runtimes, sorry Sky.
 				else if(blood_volume < 560 && blood_volume)
 					var/datum/reagent/blood/B = locate() in vessel //Grab some blood
-					if(!B.data["donor"] == src) //If it's not theirs, then we look for theirs
-						for(var/datum/reagent/blood/D in vessel)
-							if(D.data["donor"] == src)
-								B = D
-								break
-					//At this point, we dun care which blood we are adding to, as long as they get more blood.
-					B.volume = max(min(B.volume + 560/blood_volume,560), 0) //Less blood = More blood generated per tick
-*/
+					if(B) // Make sure there's some blood at all
+						if(!B.data["donor"] == src) //If it's not theirs, then we look for theirs
+							for(var/datum/reagent/blood/D in vessel)
+								if(D.data["donor"] == src)
+									B = D
+									break
+						//At this point, we dun care which blood we are adding to, as long as they get more blood.
+						B.volume = max(min(B.volume + 560/blood_volume,560), 0) //Less blood = More blood generated per tick
+
 				if(!blood_volume)
 					bloodloss = 0
 				else if(blood_volume > 448)