diff --git a/code/modules/reagents/reagent_containers/patch.dm b/code/modules/reagents/reagent_containers/patch.dm
index 7de12e38b6..d4111467ba 100644
--- a/code/modules/reagents/reagent_containers/patch.dm
+++ b/code/modules/reagents/reagent_containers/patch.dm
@@ -14,7 +14,7 @@
 /obj/item/reagent_containers/pill/patch/attack(mob/living/L, mob/user)
 	if(ishuman(L))
 		var/obj/item/bodypart/affecting = L.get_bodypart(check_zone(user.zone_selected))
-		if(!L.can_inject(user, 1))
+		if(!L.can_inject(user, 1, affecting)) //like monkey code, thickmaterial stops patches
 			return
 		if(!affecting)
 			to_chat(user, "<span class='warning'>The limb is missing!</span>")