diff --git a/code/modules/reagents/chemistry/machinery/chem_master.dm b/code/modules/reagents/chemistry/machinery/chem_master.dm
index 6f6257f1e8e..58f7fc52772 100644
--- a/code/modules/reagents/chemistry/machinery/chem_master.dm
+++ b/code/modules/reagents/chemistry/machinery/chem_master.dm
@@ -20,7 +20,7 @@
 
 /obj/machinery/chem_master/New()
 	create_reagents(100)
-	sleep(0)
+	spawn(0)
 	update_icon()
 
 /obj/machinery/chem_master/ex_act(severity)