diff --git a/sonoff/xsns_09_bmp.ino b/sonoff/xsns_09_bmp.ino
index 34953899b..01eb29799 100644
--- a/sonoff/xsns_09_bmp.ino
+++ b/sonoff/xsns_09_bmp.ino
@@ -469,8 +469,10 @@ void BmpShow(boolean json)
 #endif // USE_DOMOTICZ
 
 #ifdef USE_KNX
-        KNX_Sensor(KNX_temperature, t);
-        KNX_Sensor(KNX_humidity, h);
+      if (0 == tele_period) {
+        KnxSensor(KNX_TEMPERATURE, t);
+        KnxSensor(KNX_HUMIDITY, h);
+      }
 #endif  // USE_KNX
 
 #ifdef USE_WEBSERVER