diff --git a/src/ATBAPP/ATBDeviceControllerPlugin.cpp b/src/ATBAPP/ATBDeviceControllerPlugin.cpp
index c39f26d..3f8f43e 100644
--- a/src/ATBAPP/ATBDeviceControllerPlugin.cpp
+++ b/src/ATBAPP/ATBDeviceControllerPlugin.cpp
@@ -75,8 +75,8 @@ PLUGIN_STATE ATBDeviceControllerPlugin::initDCPlugin(QObject *eventReceiver, con
     this->eventReceiver = eventReceiver;
 
     // read variables from setting
-    this->serialPortName = settings.value("DEVICE_CONTROLLER/serialPort", "ttymxc2").toString();
-    QByteArray printerEncoding = settings.value("DEVICE_CONTROLLER/printerEnconding", "ISO 8859-2").toString().toLatin1();
+    this->serialPortName = settings.value("ATBDeviceControllerPlugin/serialPort", "ttymxc2").toString();
+    QByteArray printerEncoding = settings.value("ATBDeviceControllerPlugin/printerEncoding", "ISO 8859-2").toString().toLatin1();
 
     if (this->isMaster) {
         // open serial port