diff --git a/deploy/install.sh b/deploy/install.sh
index cc2f62e..cdfec81 100755
--- a/deploy/install.sh
+++ b/deploy/install.sh
@@ -82,18 +82,12 @@ ok "Binaire téléchargé ($(du -sh "$TMP_BIN" | cut -f1))"
 echo ""
 echo "--- Configuration du serveur ---"
 
-if [ -z "${SERVER_IP:-}" ]; then
-    read -rp "Adresse IP du serveur Nanometrics : " SERVER_IP
-fi
-if [ -z "${SERVER_IP:-}" ]; then
-    err "SERVER_IP est requis."
-    exit 1
-fi
-
+SERVER_IP="${SERVER_IP:-10.0.0.50}"
 SERVER_PORT="${SERVER_PORT:-9999}"
+MQTT_HOST="${MQTT_HOST:-10.0.0.3}"
 MQTT_ENABLED="${MQTT_ENABLED:-false}"
 
-ok "Serveur : $SERVER_IP:$SERVER_PORT"
+ok "Serveur : $SERVER_IP:$SERVER_PORT  |  MQTT broker : $MQTT_HOST"
 
 # ── 5. Installer le binaire ────────────────────────────────────────────────────
 echo ""
@@ -125,7 +119,7 @@ enabled = true
 
 [protocols.mqtt]
 enabled = $MQTT_ENABLED
-host = "10.0.0.3"
+host = "$MQTT_HOST"
 port = 1883
 topic_base = "nanometrics/agents"
 auto_discovery = true