diff --git a/sonoff/xsns_05_ds18b20.ino b/sonoff/xsns_05_ds18b20.ino
index 753fafeca..dabaf25d4 100644
--- a/sonoff/xsns_05_ds18b20.ino
+++ b/sonoff/xsns_05_ds18b20.ino
@@ -199,6 +199,11 @@ void Ds18b20Show(boolean json)
 #ifdef USE_DOMOTICZ
       if (0 == tele_period) DomoticzSensor(DZ_TEMP, temperature);
 #endif  // USE_DOMOTICZ
+#ifdef USE_KNX
+      if (0 == tele_period) {
+        KnxSensor(KNX_TEMPERATURE, t);
+      }
+#endif  // USE_KNX
 #ifdef USE_WEBSERVER
     } else {
       snprintf_P(mqtt_data, sizeof(mqtt_data), HTTP_SNS_TEMP, mqtt_data, "DS18B20", temperature, TempUnit());
diff --git a/sonoff/xsns_05_ds18x20.ino b/sonoff/xsns_05_ds18x20.ino
index b99c71298..292191b18 100644
--- a/sonoff/xsns_05_ds18x20.ino
+++ b/sonoff/xsns_05_ds18x20.ino
@@ -385,6 +385,11 @@ void Ds18x20Show(boolean json)
           domoticz_flag = false;
         }
 #endif  // USE_DOMOTICZ
+#ifdef USE_KNX
+        if ((0 == tele_period) && (0 == i)) {
+          KnxSensor(KNX_TEMPERATURE, t);
+        }
+#endif  // USE_KNX
 #ifdef USE_WEBSERVER
       } else {
         snprintf_P(mqtt_data, sizeof(mqtt_data), HTTP_SNS_TEMP, mqtt_data, (1 == ds18x20_sensors) ? ds18x20_types : stemp, temperature, TempUnit());
diff --git a/sonoff/xsns_05_ds18x20_legacy.ino b/sonoff/xsns_05_ds18x20_legacy.ino
index 885ce7540..156312104 100644
--- a/sonoff/xsns_05_ds18x20_legacy.ino
+++ b/sonoff/xsns_05_ds18x20_legacy.ino
@@ -192,6 +192,11 @@ void Ds18x20Show(boolean json)
           DomoticzSensor(DZ_TEMP, temperature);
         }
 #endif  // USE_DOMOTICZ
+#ifdef USE_KNX
+        if ((0 == tele_period) && (1 == dsxflg)) {
+          KnxSensor(KNX_TEMPERATURE, t);
+        }
+#endif  // USE_KNX
 #ifdef USE_WEBSERVER
       } else {
         snprintf_P(stemp, sizeof(stemp), PSTR("%s-%d"), ds18x20_types, i +1);