diff --git a/code/game/machinery/autolathe.dm b/code/game/machinery/autolathe.dm
index 2a753fc333..9a13bde3ff 100644
--- a/code/game/machinery/autolathe.dm
+++ b/code/game/machinery/autolathe.dm
@@ -154,6 +154,7 @@
 
 			var/multiplier = text2num(href_list["multiplier"])
 			var/is_stack = ispath(being_built.build_path, /obj/item/stack)
+			multiplier = CLAMP(multiplier,1,50)
 
 			/////////////////