diff --git a/technic/machines/switching_station.lua b/technic/machines/switching_station.lua
index 718d622..9b41e37 100644
--- a/technic/machines/switching_station.lua
+++ b/technic/machines/switching_station.lua
@@ -4,6 +4,8 @@ technic.networks = {}
 technic.cables = {}
 technic.redundant_warn = {}
 
+local switch_max_range = tonumber(minetest.settings:get("technic.switch_max_range") or "64")
+
 local mesecons_path = minetest.get_modpath("mesecons")
 local digilines_path = minetest.get_modpath("digilines")