diff --git a/build/modules.conf.in b/build/modules.conf.in
index 559b06e8ea..83986b996c 100644
--- a/build/modules.conf.in
+++ b/build/modules.conf.in
@@ -7,6 +7,7 @@ applications/mod_hash
 applications/mod_spandsp
 dialplans/mod_dialplan_xml
 endpoints/mod_sofia
+endpoints/mod_opal
 #endpoints/mod_media_gateway
 ../../libs/freetdm/mod_freetdm
 xml_int/mod_xml_cdr