diff --git a/src/ATBAPP/ATBDeviceControllerPlugin.cpp b/src/ATBAPP/ATBDeviceControllerPlugin.cpp
index 44dceb2..19a43f2 100644
--- a/src/ATBAPP/ATBDeviceControllerPlugin.cpp
+++ b/src/ATBAPP/ATBDeviceControllerPlugin.cpp
@@ -20,10 +20,10 @@ PLUGIN_STATE ATBDeviceControllerPlugin::initDCPlugin(QObject *healthEventReceive
 {
     this->healthEventReceiver = healthEventReceiver;
 
-    // Read a sample variable from setting
-    QString sampleSetting = settings.value("DEVICE_CONTROLLER/sampleVariable", "defaultValue").toString();
+    // read variables from setting
+    QString serialPort = settings.value("DEVICE_CONTROLLER/serialPort", "ttymxc2").toString();
 
-    hw->dc_openSerial(5, "115200", "ttymxc2", 1);
+    hw->dc_openSerial(5, "115200", serialPort, 1);
 
     this->pluginState = PLUGIN_STATE::INITIALIZED;