diff --git a/roles/matrix-jitsi/defaults/main.yml b/roles/matrix-jitsi/defaults/main.yml
index 14545bc97..87d877065 100644
--- a/roles/matrix-jitsi/defaults/main.yml
+++ b/roles/matrix-jitsi/defaults/main.yml
@@ -39,6 +39,7 @@ matrix_jitsi_xmpp_bosh_url_base: http://{{ matrix_jitsi_xmpp_server }}:5280
 matrix_jitsi_xmpp_guest_domain: guest.meet.jitsi
 matrix_jitsi_xmpp_muc_domain: muc.meet.jitsi
 matrix_jitsi_xmpp_internal_muc_domain: internal-muc.meet.jitsi
+matrix_jitsi_xmpp_modules: ''
 
 matrix_jitsi_recorder_domain: recorder.meet.jitsi