diff --git a/.env b/.env
index 3ba74a9..8a1a598 100644
--- a/.env
+++ b/.env
@@ -74,7 +74,7 @@ ALERT_SMS_TO_SACLAY=Michel:+33759600180
 ALERT_SMS_TO_MEUDON=Michel:+33759600180
 
 ALERT_SMS_CLIENT_TO_MEUDON=Sekou:+33625903364,Damien:+33680388259
-ALERT_SMS_CLIENT_TO_SACLAY=Nicolas:+33682069405,Sabrina:+33650270939,Mirceta:+33601162960
+ALERT_SMS_CLIENT_TO_SACLAY=Nicolas:+33682069405,Sabrina:+33650270939
 # Activer/désactiver globalement l’envoi client
 ALERT_SMS_CLIENT_ENABLED=1
 # 1) couper les SMS internes
diff --git a/app/Mqtt_meudon.py b/app/Mqtt_meudon.py
index d25b97e..e7c5e29 100644
--- a/app/Mqtt_meudon.py
+++ b/app/Mqtt_meudon.py
@@ -7,7 +7,7 @@ Récupère les mesures MQTT du site Meudon et les insère dans la table Sondes.M
 import os
 import logging
 from logging.handlers import RotatingFileHandler
-
+import socket
 import mysql.connector
 from mysql.connector import Error
 
@@ -28,10 +28,16 @@ DB_PASS = os.getenv("DB_PASS")
 DB_NAME = os.getenv("DB_NAME")
 
 # --- MQTT Meudon ---
-MQTT_HOST = os.getenv("MQTT_HOST_MEUDON", os.getenv("MQTT_HOST"))
-MQTT_USER = os.getenv("MQTT_USER_MEUDON", os.getenv("MQTT_USER"))
-MQTT_PASS = os.getenv("MQTT_PASS_MEUDON", os.getenv("MQTT_PASS"))
-MQTT_PORT = int(os.getenv("MQTT_PORT_MEUDON", os.getenv("MQTT_PORT", 1883)))
+MQTT_HOST = os.getenv("MQTT_HOST_MEUDON")
+MQTT_USER = os.getenv("MQTT_USER_MEUDON")
+MQTT_PASS = os.getenv("MQTT_PASS_MEUDON")
+MQTT_PORT = int(os.getenv("MQTT_PORT_MEUDON", "1883"))
+
+# Client ID (configurable, sinon suffixé avec le hostname)
+MQTT_CLIENT_ID = os.getenv(
+    "MQTT_CLIENT_ID_MEUDON",
+    f"Mqtt_meudon_{socket.gethostname()}"
+)
 
 GYRO_TOPIC_MEUDON = os.getenv("GYRO_MQTT_TOPIC_MEUDON", "Meudon/gyrophare")
 
@@ -113,8 +119,9 @@ def insert_temperature(sonde: str, temperature: float) -> None:
 def on_connect(client, userdata, flags, reason_code, properties=None):
     if reason_code == 0:
         logging.info("Connecté au broker MQTT Meudon (%s)", MQTT_HOST)
-        client.subscribe("Meudon/mod02/#")
-        logging.info("Abonné au topic : Meudon/#")
+        # Abonnement à TOUT ce qui commence par "Meudon/"
+        result, mid = client.subscribe("Meudon/#")
+        logging.info("Abonné au topic : Meudon/# (result=%s, mid=%s)", result, mid)
     else:
         logging.error("Échec de connexion MQTT (Meudon), code retour = %s", reason_code)
 
@@ -154,13 +161,21 @@ def main():
     setup_logging()
     logging.info("Démarrage du script Mqtt_meudon")
 
-    # Vérif minimale des variables d'env
+    # Vérif minimale des variables d'env MySQL
     for var in ["DB_HOST", "DB_USER", "DB_PASS", "DB_NAME"]:
         if os.getenv(var) in (None, ""):
             logging.error("Variable d'environnement %s manquante !", var)
 
+    # Vérif minimale des variables d'env MQTT
+    if not MQTT_HOST:
+        logging.error("MQTT_HOST_MEUDON manquant !")
+    if not MQTT_USER:
+        logging.warning("MQTT_USER_MEUDON non défini (connexion sans login ?)")
+    if not MQTT_PORT or MQTT_PORT <= 0:
+        logging.error("MQTT_PORT_MEUDON invalide : %s", MQTT_PORT)
+
     client = mqtt.Client(
-        client_id="Mqtt_meudon_client",
+        client_id=MQTT_CLIENT_ID,
         callback_api_version=CallbackAPIVersion.VERSION2
     )
     client.username_pw_set(MQTT_USER, MQTT_PASS)