diff --git a/code/modules/research/nanites/nanite_programs/healing.dm b/code/modules/research/nanites/nanite_programs/healing.dm
index cd165c791e..70a1412b11 100644
--- a/code/modules/research/nanites/nanite_programs/healing.dm
+++ b/code/modules/research/nanites/nanite_programs/healing.dm
@@ -136,7 +136,7 @@
 			return
 		var/update = FALSE
 		for(var/obj/item/bodypart/L in parts)
-			if(L.heal_damage(1.5/parts.len, 1.5/parts.len, only_robotic = TRUE, only_organic = FALSE)) //much faster than organic healing
+			if(L.heal_damage(1.5/parts.len, 1.5/parts.len, null, TRUE, FALSE)) //much faster than organic healing
 				update = TRUE
 		if(update)
 			host_mob.update_damage_overlays()
diff --git a/code/modules/research/nanites/nanite_programs/utility.dm b/code/modules/research/nanites/nanite_programs/utility.dm
index 9e0d8d1386..6352f50b8b 100644
--- a/code/modules/research/nanites/nanite_programs/utility.dm
+++ b/code/modules/research/nanites/nanite_programs/utility.dm
@@ -241,7 +241,7 @@
 	for(var/mob/living/L in oview(5, host_mob))
 		if(!prob(25))
 			continue
-		if(!(MOB_ORGANIC in L.mob_biotypes) && !(MOB_UNDEAD in L.mob_biotypes))
+		if(!(L.mob_biotypes & (MOB_ORGANIC|MOB_UNDEAD)))
 			continue
 		target_hosts += L
 	if(!target_hosts.len)