diff --git a/mix.exs b/mix.exs
index e6622e0f0..427137d57 100644
--- a/mix.exs
+++ b/mix.exs
@@ -25,10 +25,10 @@ defmodule Ejabberd.Mixfile do
 
   def application do
     [mod: {:ejabberd_app, []},
-     applications: [:ssl],
+     applications: [:ssl, :os_mon],
      included_applications: [:lager, :mnesia, :inets, :p1_utils, :cache_tab,
                              :fast_tls, :stringprep, :fast_xml, :xmpp,
-                             :stun, :fast_yaml, :esip, :jiffy, :p1_oauth2]
+                             :stun, :fast_yaml, :esip, :jiffy, :p1_oauth2, :fs]
                          ++ cond_apps()]
   end