diff --git a/sat/plugins/plugin_exp_invitation.py b/sat/plugins/plugin_exp_invitation.py
index 0a7edf6b..be3593d4 100644
--- a/sat/plugins/plugin_exp_invitation.py
+++ b/sat/plugins/plugin_exp_invitation.py
@@ -37,7 +37,7 @@ PLUGIN_INFO = {
     C.PI_IMPORT_NAME: "INVITATION",
     C.PI_TYPE: "EXP",
     C.PI_PROTOCOLS: [],
-    C.PI_DEPENDENCIES: ["XEP-0060", "XEP-0329", "LIST_INTEREST"],
+    C.PI_DEPENDENCIES: ["XEP-0060", "XEP-0329", "XEP-0334", "LIST_INTEREST"],
     C.PI_RECOMMENDATIONS: ["EMAIL_INVITATION"],
     C.PI_MAIN: "Invitation",
     C.PI_HANDLER: "yes",
@@ -57,6 +57,7 @@ class Invitation(object):
         log.info(_("Invitation plugin initialization"))
         self.host = host
         self._p = self.host.plugins["XEP-0060"]
+        self._h = self.host.plugins["XEP-0334"]
         # map from namespace of the invitation to callback handling it
         self._ns_cb = {}
 
@@ -113,6 +114,7 @@ class Invitation(object):
             "extra": {},
         }
         client.generateMessageXML(mess_data)
+        self._h.addHintElements(mess_data["xml"], [self._h.HINT_STORE])
         invitation_elt = mess_data["xml"].addElement("invitation", NS_INVITATION)
         if name is not None:
             invitation_elt["name"] = name