diff --git a/libervia/backend/plugins/plugin_xep_0374.py b/libervia/backend/plugins/plugin_xep_0374.py
index a3b75dd8..c2207e56 100644
--- a/libervia/backend/plugins/plugin_xep_0374.py
+++ b/libervia/backend/plugins/plugin_xep_0374.py
@@ -176,7 +176,8 @@ class XEP_0374:
 
             sender_user = cast(Optional[muc.User], room.getUser(sender_jid.resource))
             if sender_user is None:
-                log.warning(
+                # This is expected when presence broadcast is restricted for the sender's role
+                log.debug(
                     f"Ignoring MUC message from room {room_jid} since the sender's user"
                     f" wasn't found {sender_jid.resource}"
                 )
@@ -185,7 +186,8 @@ class XEP_0374:
 
             sender_user_jid = cast(Optional[jid.JID], sender_user.entity)
             if sender_user_jid is None:
-                log.warning(
+                # This is expected in semi-anonymous rooms
+                log.debug(
                     f"Ignoring MUC message from room {room_jid} since the sender's bare"
                     f" JID couldn't be found from its user information: {sender_user}"
                 )
diff --git a/libervia/backend/plugins/plugin_xep_0384.py b/libervia/backend/plugins/plugin_xep_0384.py
index 91722e13..d57da00c 100644
--- a/libervia/backend/plugins/plugin_xep_0384.py
+++ b/libervia/backend/plugins/plugin_xep_0384.py
@@ -2205,7 +2205,8 @@ class OMEMO:
 
             sender_user = cast(Optional[muc.User], room.getUser(sender_jid.resource))
             if sender_user is None:
-                log.warning(
+                # This is expected when presence broadcast is restricted for the sender's role
+                log.debug(
                     f"Ignoring MUC message from room {room_jid} since the sender's user"
                     f" wasn't found {sender_jid.resource}"
                 )
@@ -2214,7 +2215,8 @@ class OMEMO:
 
             sender_user_jid = cast(Optional[jid.JID], sender_user.entity)
             if sender_user_jid is None:
-                log.warning(
+                # This is expected in semi-anonymous rooms
+                log.debug(
                     f"Ignoring MUC message from room {room_jid} since the sender's bare"
                     f" JID couldn't be found from its user information: {sender_user}"
                 )