diff --git a/mix.exs b/mix.exs
index 4b8012981..dba39abf1 100644
--- a/mix.exs
+++ b/mix.exs
@@ -120,6 +120,7 @@ defmodule Ejabberd.Mixfile do
   defp cond_apps do
     for {:true, app} <- [{config(:redis), :eredis},
                          {config(:mysql), :p1_mysql},
+                         {config(:odbc), :odbc},
                          {config(:pgsql), :p1_pgsql},
                          {config(:sqlite), :sqlite3},
                          {config(:zlib), :ezlib}], do: