diff --git a/src/main.cpp b/src/main.cpp
index f7ee3b7..12d3e93 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -59,9 +59,9 @@ char topicWert[20];
 char msg[20];
 
 #ifdef TEST
-const char* ssid = "St.-Peters-Gasse";
-const char* password = "1952994784599317";
-IPAddress ip( 192, 168, 127, 213 );
+const char* ssid = "MagentaWLAN-RGDO";
+const char* password = "93329248424922704583";
+IPAddress ip( 192, 168, 127, 242 );
 IPAddress gateway( 192, 168, 127, 1 );
 IPAddress subnet( 255, 255, 255, 0 );
 IPAddress dns(192, 168, 127, 1); // DNS-Server
@@ -89,7 +89,7 @@ void reconnect() {
       Serial.println("connected");
 //      blink.detach();
       digitalWrite(LED_BUILTIN, HIGH);
-      sprintf(topic, "%s%d%s", "hjk/devices/", deviceId, "/telemetry/ID" );
+      sprintf(topic, "%s%ld%s", "hjk/devices/", deviceId, "/telemetry/ID" );
       client.publish(topic, sID);
     } else {
       ErrLoop ++;
@@ -198,7 +198,7 @@ void setup() {
 #endif
   digitalWrite(BUILTIN_LED, HIGH);
   deviceId = ESP.getChipId();
-  sprintf(sID, "%010d", deviceId);
+  sprintf(sID, "%010ld", deviceId);
   Serial.print("ID: \t\t"); Serial.println(deviceId);
   client.setServer(mqtt_server, 1883);
 }
@@ -264,7 +264,7 @@ void loop(){
   }
   pixels.show();
   itoa(CO2Wert, msg, 10);
-  sprintf(topic, "%s%d%s", "hjk/devices/", deviceId, "/telemetry/co2" );
+  sprintf(topic, "%s%ld%s", "hjk/devices/", deviceId, "/telemetry/co2" );
   client.publish(topic, msg, true);
   delay(500);
   endTime = millis();