diff --git a/code/modules/surgery/graft_synthtissue.dm b/code/modules/surgery/graft_synthtissue.dm
index 8826de7171..eef73d30b5 100644
--- a/code/modules/surgery/graft_synthtissue.dm
+++ b/code/modules/surgery/graft_synthtissue.dm
@@ -4,7 +4,7 @@
 
 /datum/surgery/graft_synthtissue
 	name = "Graft synthtissue"
-	species = list(/mob/living/carbon/human, /mob/living/carbon/monkey)
+	target_mobtypes = list(/mob/living/carbon/human, /mob/living/carbon/monkey)
 	possible_locs = list(BODY_ZONE_CHEST, BODY_ZONE_PRECISE_GROIN, BODY_ZONE_PRECISE_EYES)
 	steps = list(
 	/datum/surgery_step/incise,
@@ -19,7 +19,7 @@
 //repair organs
 /datum/surgery_step/graft_synthtissue
 	name = "graft synthtissue"
-	implements = list(/obj/item/hemostat = 100, TOOL_SCREWDRIVER = 35, /obj/item/pen = 15)
+	implements = list(TOOL_HEMOSTAT = 100, TOOL_SCREWDRIVER = 35, /obj/item/pen = 15)
 	repeatable = TRUE
 	time = 75
 	chems_needed = list("synthtissue")