diff --git a/code/modules/reagents/chemistry/machinery/smoke_machine.dm b/code/modules/reagents/chemistry/machinery/smoke_machine.dm
index 63f7e48281..2365bb03ed 100644
--- a/code/modules/reagents/chemistry/machinery/smoke_machine.dm
+++ b/code/modules/reagents/chemistry/machinery/smoke_machine.dm
@@ -66,7 +66,7 @@
 
 /obj/machinery/smoke_machine/attackby(obj/item/I, mob/user, params)
 	add_fingerprint(user)
-	if(istype(I, /obj/item/reagent_containers))
+	if(istype(I, /obj/item/reagent_containers) && I.is_open_container())
 		var/obj/item/reagent_containers/RC = I
 		var/units = RC.reagents.trans_to(src, RC.amount_per_transfer_from_this)
 		if(units)