diff --git a/code/modules/reagents/chemistry/machinery/chem_dispenser.dm b/code/modules/reagents/chemistry/machinery/chem_dispenser.dm
index 473b246df7..efd2d846b6 100644
--- a/code/modules/reagents/chemistry/machinery/chem_dispenser.dm
+++ b/code/modules/reagents/chemistry/machinery/chem_dispenser.dm
@@ -396,8 +396,14 @@
 	for(var/obj/item/stock_parts/capacitor/C in component_parts)
 		recharge_amount *= C.rating
 	for(var/obj/item/stock_parts/manipulator/M in component_parts)
-		if(M.rating > 3)
+		if(M.rating > macrotier)
+			macrotier = M.rating
+		if(M.rating > 1)
 			dispensable_reagents |= upgrade_reagents
+		if(M.rating > 2)
+			dispensable_reagents |= upgrade_reagents2
+		if(M.rating > 3)
+			dispensable_reagents |= upgrade_reagents3
 	powerefficiency = round(newpowereff, 0.01)
 
 /obj/machinery/chem_dispenser/proc/replace_beaker(mob/living/user, obj/item/reagent_containers/new_beaker)