diff --git a/mods/tutorial_default/nodes.lua b/mods/tutorial_default/nodes.lua
index 04f1bbc..66105cd 100644
--- a/mods/tutorial_default/nodes.lua
+++ b/mods/tutorial_default/nodes.lua
@@ -605,7 +605,7 @@ minetest.register_abm({
 		if meta:get_float("fuel_time") < meta:get_float("fuel_totaltime") then
 			local percent = math.floor(meta:get_float("fuel_time") /
 					meta:get_float("fuel_totaltime") * 100)
-			meta:set_string("infotext", S("Active furnace (Flame used: @1%) (Rightclick to examine)"), percent)
+			meta:set_string("infotext", S("Active furnace (Flame used: @1%) (Rightclick to examine)", percent))
 			swap_node(pos,"tutorial_default:furnace_active")
 			meta:set_string("formspec",default.get_furnace_active_formspec(pos, percent))
 			return