diff --git a/init.lua b/init.lua
index 26ca643..da8d3f0 100644
--- a/init.lua
+++ b/init.lua
@@ -14,6 +14,8 @@ it is easy to understand the generated images with a hexdump.
 
 ]]--
 
+local S = minetest.get_translator("testnodes")
+
 local textures_path = minetest.get_modpath( minetest.get_current_modname() ) .. "/textures/"
 
 function encode_tga_type_3(w, h, ...)