diff --git a/libervia/backend/core/core_types.py b/libervia/backend/core/core_types.py
index 83b4a615..c6ad89c3 100644
--- a/libervia/backend/core/core_types.py
+++ b/libervia/backend/core/core_types.py
@@ -32,7 +32,11 @@ from libervia.backend.core import exceptions
 from libervia.backend.models.core import MessageData
 
 if TYPE_CHECKING:
-    from libervia.backend.core.xmpp import LiberviaRosterProtocol, SatDiscoProtocol
+    from libervia.backend.core.xmpp import (
+        LiberviaRosterProtocol,
+        SatDiscoProtocol,
+        SatMessageProtocol,
+    )
     from libervia.backend.models.tor import TorMode
     from treq.client import HTTPClient
     from txtorcon import Tor
@@ -88,6 +92,7 @@ class SatXMPPEntity(ABC):
     port: int
     disco: "SatDiscoProtocol"
     discoHandler: disco.DiscoHandler
+    messageProt: "SatMessageProtocol"
     identities: list[disco.DiscoIdentity]
     xmlstream: mod_xmlstream.XmlStream
     tor: "Tor | None" = None