diff --git a/server/src/config.mjs b/server/src/config.mjs
index f746c1b..cc741a3 100644
--- a/server/src/config.mjs
+++ b/server/src/config.mjs
@@ -13,8 +13,8 @@ export function cfg() {
     TINYGS_URL:    process.env.TINYGS_URL    || '',
     TINYGS_AUTH:   process.env.TINYGS_AUTH   || '',
     TINYGS_MQTT_PORT:   process.env.TINYGS_MQTT_PORT || 1883,
-    TINYGS_MQTT_USER:   process.env.TINYGS_MQTT_USER || 'admin',
-    TINYGS_MQTT_PASS:   process.env.TINYGS_MQTT_PASS || 'admin',
+    TINYGS_MQTT_USER:   process.env.TINYGS_MQTT_USER || '',
+    TINYGS_MQTT_PASS:   process.env.TINYGS_MQTT_PASS || '',
     DB_HOST:       process.env.DB_HOST       || 'http://localhost:8428',
     EMAIL:         process.env.EMAIL,
     LATITUDE:      parseFloat(process.env.LATITUDE  || '0'),
diff --git a/server/src/sats.mjs b/server/src/sats.mjs
index 77f7428..20e1dc8 100644
--- a/server/src/sats.mjs
+++ b/server/src/sats.mjs
@@ -59,7 +59,7 @@ export async function startTinyGSServer() {
 	const broker = await Aedes.createBroker();
 	const server = createServer(broker.handle);
 
-	if (TINYGS_MQTT_USER) {
+	if(TINYGS_MQTT_USER) {
 		broker.authenticate = (client, username, password, cb) => {
 			const ok = username === TINYGS_MQTT_USER && password?.toString() === TINYGS_MQTT_PASS;
 			if (!ok) console.warn(`[tinygs] rejected auth from ${client.id}`);
@@ -75,7 +75,7 @@ export async function startTinyGSServer() {
 	broker.on('client', client => console.info(`[tinygs] connected: ${client.id}`));
 	broker.on('clientDisconnect', client => console.info(`[tinygs] disconnected: ${client.id}`));
 
-	server.listen(TINYGS_MQTT_PORT, () => console.info(`🛜  MQTT broker - localhost:${TINYGS_MQTT_PORT}`));
+	server.listen(TINYGS_MQTT_PORT, '0.0.0.0', () => console.info(`🛜  MQTT broker - localhost:${TINYGS_MQTT_PORT}`));
 }
 
 export const getTinyGSData = () => {