diff --git a/mod_statsdx/src/mod_stats2file.erl b/mod_statsdx/src/mod_stats2file.erl
index 2b462d0..a411ec2 100644
--- a/mod_statsdx/src/mod_stats2file.erl
+++ b/mod_statsdx/src/mod_stats2file.erl
@@ -12,7 +12,7 @@
 -behaviour(gen_mod).
 
 
--export([start/2, stop/1, depends/2, mod_opt_type/1, mod_options/1]).
+-export([start/2, stop/1, depends/2, mod_opt_type/1, mod_options/1, mod_doc/0]).
 -export([loop/5]).
 
 -include_lib("xmpp/include/xmpp.hrl").
@@ -82,6 +82,8 @@ mod_options(_Host) ->
      {basefilename, "/tmp/ejasta"},
      {hosts, ejabberd_config:get_option(hosts)}].
 
+mod_doc() -> #{}.
+
 %% -------------------
 %% write_stat*
 %% -------------------