diff --git a/machines/chargepad.lua b/machines/chargepad.lua
index c29a755..7c14396 100644
--- a/machines/chargepad.lua
+++ b/machines/chargepad.lua
@@ -152,7 +152,7 @@ chargepad.action=function(pos,node)
 
 	if shouldUpdateFormspec then
 		local def=minetest.registered_nodes[node.name]
-		def._industrialtest_updateFormspec(meta)
+		def._industrialtest_updateFormspec(pos)
 	end
 end