diff --git a/configuration/chirpstack-gateway-bridge/chirpstack-gateway-bridge.toml b/configuration/chirpstack-gateway-bridge/chirpstack-gateway-bridge.toml
index 702460d..894de95 100644
--- a/configuration/chirpstack-gateway-bridge/chirpstack-gateway-bridge.toml
+++ b/configuration/chirpstack-gateway-bridge/chirpstack-gateway-bridge.toml
@@ -2,6 +2,6 @@
 # configuration example and documentation.
 
 [integration.mqtt.auth.generic]
-server="tcp://mosquitto:1883"
+servers=["tcp://mosquitto:1883"]
 username=""
 password=""
diff --git a/docker-compose-env.yml b/docker-compose-env.yml
index badbf2a..648ed5c 100644
--- a/docker-compose-env.yml
+++ b/docker-compose-env.yml
@@ -27,7 +27,7 @@ services:
     ports:
       - 1700:1700/udp
     environment:
-      - INTEGRATION.MQTT.AUTH.GENERIC.SERVER=tcp://mosquitto:1883
+      - INTEGRATION__MQTT__AUTH__GENERIC__SERVERS=tcp://mosquitto:1883
 
   chirpstack-geolocation-server:
     image: chirpstack/chirpstack-geolocation-server:3