diff --git a/errors.lua b/errors.lua
index 386bc59..5340a15 100644
--- a/errors.lua
+++ b/errors.lua
@@ -162,7 +162,8 @@ return function (module_name)
     function err_hdl.info (...)
         local args = {...}
         if args[1] == err_hdl then  table.remove(args, 1)  end
-        return io.write(string.format(unpack(args)))
+        assert(type(args[1]) == 'string')
+        return io.write(('[%s]: '..args[1]..'\n'):format(err_hdl.module_name, unpack(args, 2)))
     end
 
     function err_hdl.register (...)