diff --git a/esphome/esp-officeelvcontrol.yaml b/esphome/esp-officeelvcontrol.yaml
index eb5729f..af850aa 100644
--- a/esphome/esp-officeelvcontrol.yaml
+++ b/esphome/esp-officeelvcontrol.yaml
@@ -228,11 +228,11 @@ mqtt:
   on_message:
     # Relay 1 control
     - topic: "${mqtt_main_topic}/relay1/set"
-      payload: "ON"
+      payload: "On"
       then:
         - switch.turn_on: relay1
 
     - topic: "${mqtt_main_topic}/relay1/set"
-      payload: "OFF"
+      payload: "Off"
       then:
         - switch.turn_off: relay1