diff --git a/esphome/device_packages/sonoff-tx-series.yaml b/esphome/device_packages/sonoff-tx-series.yaml
index 36a6dba..58013af 100644
--- a/esphome/device_packages/sonoff-tx-series.yaml
+++ b/esphome/device_packages/sonoff-tx-series.yaml
@@ -2,7 +2,7 @@ esp8266:
   board: esp01_1m
 
 api:
-   on_client_connected:
+  on_client_connected:
     then:
       - light.turn_on: blue_led_light
   on_client_disconnected: