diff --git a/rebar.config b/rebar.config
index 131e3583d..865517c98 100644
--- a/rebar.config
+++ b/rebar.config
@@ -63,6 +63,8 @@
                   ezlib,
                   iconv]}}.
 
+{erl_first_files, ["src/ejabberd_config.erl"]}.
+
 {erl_opts, [nowarn_deprecated_function,
             {if_var_false, debug, no_debug_info},
             {if_var_true, roster_gateway_workaround, {d, 'ROSTER_GATWAY_WORKAROUND'}},