diff --git a/tests/unit/conf/freeswitch.xml b/tests/unit/conf/freeswitch.xml
index abdbcd4ae5..3e25162a8c 100644
--- a/tests/unit/conf/freeswitch.xml
+++ b/tests/unit/conf/freeswitch.xml
@@ -11,6 +11,7 @@
 		<load module="mod_spandsp"/>
 		<load module="mod_amr"/>
 		<load module="mod_amrwb"/>
+		<load module="mod_sndfile"/>
       </modules>
     </configuration>