diff --git a/server/src/config.mjs b/server/src/config.mjs
index 13c4571..f746c1b 100644
--- a/server/src/config.mjs
+++ b/server/src/config.mjs
@@ -12,7 +12,7 @@ export function cfg() {
     ADSB_URL:      process.env.ADSB_URL      || '',
     TINYGS_URL:    process.env.TINYGS_URL    || '',
     TINYGS_AUTH:   process.env.TINYGS_AUTH   || '',
-    TINYGS_MQTT_PORT:   process.env.TINYGS_MQTT_PORT || 8883,
+    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',
     DB_HOST:       process.env.DB_HOST       || 'http://localhost:8428',