diff --git a/sonoff/_changelog.ino b/sonoff/_changelog.ino
index 5fb481c67..00c59c3a5 100644
--- a/sonoff/_changelog.ino
+++ b/sonoff/_changelog.ino
@@ -1,4 +1,4 @@
-/* 6.2.1.11 20191002
+/* 6.2.1.11 20181002
  * Remove support for MQTT Client based on esp-mqtt-arduino by #define MQTT_LIBRARY_TYPE MQTT_ESPMQTTARDUINO
  * Add support for MQTT Client based on lwmqtt to be selected by #define MQTT_LIBRARY_TYPE MQTT_ARDUINOMQTT
  * Change MQTT_ARDUINOMQTT command timeout from 1 to 10 seconds