diff --git a/tasmota/my_user_config.h b/tasmota/my_user_config.h
index c225ddd86..a351ee51d 100644
--- a/tasmota/my_user_config.h
+++ b/tasmota/my_user_config.h
@@ -265,6 +265,7 @@
 
 // -- MQTT ----------------------------------------
 #define MQTT_TELE_RETAIN     0                   // Tele messages may send retain flag (0 = off, 1 = on)
+#define MQTT_CLEAN_SESSION   1                   // Mqtt clean session connection (0 = No clean session, 1 = Clean session (default))
 
 // -- MQTT - Domoticz -----------------------------
 #define USE_DOMOTICZ                             // Enable Domoticz (+6k code, +0.3k mem)