diff --git a/technic/machines/MV/tool_workshop.lua b/technic/machines/MV/tool_workshop.lua
index 4f2fb51..8bc95ea 100644
--- a/technic/machines/MV/tool_workshop.lua
+++ b/technic/machines/MV/tool_workshop.lua
@@ -65,8 +65,8 @@ minetest.register_abm({
 		if not srcstack:is_empty() then
 			local itemdef = minetest.registered_items[srcstack:get_name()]
 			if itemdef and
-					itemdef.wear_represents and
-					itemdef.wear_represents == "mechanical_wear" and
+					(not itemdef.wear_represents or
+					itemdef.wear_represents == "mechanical_wear") and
 					srcstack:get_wear() ~= 0 then
 				repairable = true
 			end