diff --git a/src/MQTT_Reader06.ino b/src/MQTT_Reader06.ino
index 2b538ec..94a87e6 100644
--- a/src/MQTT_Reader06.ino
+++ b/src/MQTT_Reader06.ino
@@ -103,7 +103,7 @@ char broker[16] = "192.168.2.13";                   // IP adresse of the MQTT br
 char mqttUser[32] = "mqttuser";                     // to access the the MQTT broker, if broker is configured that way 
 char mqttPass[32] = "mqttpassword";                 // to access the the MQTT broker, if broker is configured that way
 char ReaderID[5] ; //= "000";                       // identifyer for the reader.
-const char* subTopic = "/cmnd/reader";              // MQTT Topic where to find commands for the reader
+char subTopic[18] = "/cmnd/reader/";          // MQTT Topic where to find commands for the reader + ReaderID + 0x00
 char ConType [3] = "0";
 
 /* Configuration for access point mode -> can be anything you like*/
@@ -559,8 +559,16 @@ void connect() {
       Serial.println(MQTTclient.state());
     }
   }
+  byte topicLenght=sizeof(subTopic);
+  topicLenght=topicLenght-1;                    
+  for (int i=0; i<3 ;i++){
+    subTopic[(topicLenght-4)+i]=ReaderID[i];  
+  }
+  subTopic[topicLenght]=0x00; 
   MQTTclient.subscribe(subTopic);
-  Serial.println("connected!");
+  Serial.println(F("connected!"));
+  Serial.print(F("subscribed to topic: "));
+  Serial.println(subTopic);
   StatusToDisplay(MQTT_RFID);
 }