diff --git a/src/solid-xmpp-chat.js b/src/solid-xmpp-chat.js
index 5ee564af3ff297632d019821169d118abcaeabee..e8f1095b061f61bc2a6e66ed86a01fb9998792e6 100644
--- a/src/solid-xmpp-chat.js
+++ b/src/solid-xmpp-chat.js
@@ -260,6 +260,7 @@ export const SolidXMPPChat = {
       'authentication': this.element.dataset.authentication || 'login',
       'password': idToken,
       'allow_chat_pending_contacts': true,
+      'allow_message_retraction': 'moderator',
       'allow_non_roster_messaging': true,
       'allow_dragresize': false,
       'allow_logout': false,