diff --git a/code/modules/organs/blood.dm b/code/modules/organs/blood.dm
index 51f17273e3b..6e3ac4feda4 100644
--- a/code/modules/organs/blood.dm
+++ b/code/modules/organs/blood.dm
@@ -192,7 +192,8 @@ var/const/BLOOD_VOLUME_SURVIVE = 122
 /mob/living/carbon/human/proc/inject_blood(obj/item/weapon/reagent_containers/container, var/amount)
 	var/datum/reagent/blood/our = get_blood(vessel)
 	var/datum/reagent/blood/injected = get_blood(container.reagents)
-
+	if (!injected)
+		return
 	if(blood_incompatible(injected.data["blood_type"],our.data["blood_type"]) )
 		reagents.add_reagent("toxin",amount * 0.5)
 		reagents.update_total()