diff --git a/esp8266_mrdiy_mqtt_local_notifier b/esp8266_mrdiy_mqtt_local_notifier.ino
similarity index 99%
rename from esp8266_mrdiy_mqtt_local_notifier
rename to esp8266_mrdiy_mqtt_local_notifier.ino
index c0e870a..b3c5295 100644
--- a/esp8266_mrdiy_mqtt_local_notifier
+++ b/esp8266_mrdiy_mqtt_local_notifier.ino
@@ -389,4 +389,4 @@ boolean formValidator() {
     valid = false;
   }
   return valid;
-}
\ No newline at end of file
+}