diff --git a/micro_ondes/esp_wifi/main.py b/micro_ondes/esp_wifi/main.py
index 9b038c9..a61757a 100644
--- a/micro_ondes/esp_wifi/main.py
+++ b/micro_ondes/esp_wifi/main.py
@@ -30,13 +30,7 @@ from shared import get_mqtt_client, config, payloads
 
 MQTT_CA_FILE = "/certs/ca.crt"
 
-mqtt_client = get_mqtt_client(
-    host="192.168.50.1",
-    client_id="smartwave-esp32-demo",
-    use_tls=True,
-    cafile=MQTT_CA_FILE,
-    keepalive=30,
-)
+mqtt_client = None  # Will be initialized in connect_mqtt_async()
 
 # --- HARDWARE & MODULE DEFERRED IMPORTS ---
 status_led = None