diff --git a/re/udsscanwindow.cpp b/re/udsscanwindow.cpp
index d45f444..f923b7b 100644
--- a/re/udsscanwindow.cpp
+++ b/re/udsscanwindow.cpp
@@ -77,6 +77,9 @@ UDSScanWindow::UDSScanWindow(const QVector<CANFrame> *frames, QWidget *parent) :
 //not handling show no reply, max reply delay, reply offset, increment
     int numBuses = CANConManager::getInstance()->getNumBuses();
     for (int n = 0; n < numBuses; n++) ui->cbBuses->addItem(QString::number(n));
+
+    connect(ui->cbBuses, &QComboBox::currentTextChanged, this, &UDSScanWindow::setBusToScan);
+
     installEventFilter(this);
 
     addNewScan();
@@ -334,6 +337,12 @@ void UDSScanWindow::setSessType()
     if (currEditEntry) currEditEntry->sessType = ui->cbSessType->currentIndex();
 }
 
+void UDSScanWindow::setBusToScan()
+{
+    if (inhibitUpdates) return;
+    if (currEditEntry) currEditEntry->busToScan = ui->cbBuses->currentIndex();
+}
+
 void UDSScanWindow::setNoReplyVal()
 {
     if (inhibitUpdates) return;
diff --git a/re/udsscanwindow.h b/re/udsscanwindow.h
index ed50e01..d145f3e 100644
--- a/re/udsscanwindow.h
+++ b/re/udsscanwindow.h
@@ -81,6 +81,7 @@ private slots:
     void setIncrementVal();
     void setReplyOffset();
     void setSessType();
+    void setBusToScan();
 
 private:
     Ui::UDSScanWindow *ui;