diff --git a/esphome/esp-3dprinterpow.yaml b/esphome/esp-3dprinterpow.yaml
index 93e6a49..82bbe6d 100644
--- a/esphome/esp-3dprinterpow.yaml
+++ b/esphome/esp-3dprinterpow.yaml
@@ -469,7 +469,7 @@ script:
             - mqtt.publish:
                 topic: "${mqtt_local_status_topic}"
                 payload: !lambda |-
-                  return id(relay).state ? "ON" : "OFF";
+                  return id(relay).state ? "On" : "Off";
                 retain: false
                 qos: 1