diff --git a/DRAMSys/traceAnalyzer/presentation/traceselector.cpp b/DRAMSys/traceAnalyzer/presentation/traceselector.cpp
index 0b596f2c..4ea627a8 100644
--- a/DRAMSys/traceAnalyzer/presentation/traceselector.cpp
+++ b/DRAMSys/traceAnalyzer/presentation/traceselector.cpp
@@ -73,6 +73,34 @@ QStringList TraceAvailableTree::mimeTypes() const
     return types;
 }
 
+void TraceAvailableTree::keyPressEvent(QKeyEvent *event)
+{
+    if(event->key() == Qt::Key_Return)
+    {
+        for (unsigned int i = 0; i < topLevelItemCount(); i++)
+        {
+            auto currentItem = static_cast<TraceSelectorTreeItem *>(topLevelItem(i));
+
+            if (currentItem->isSelected())
+            {
+                auto clonedItem = new TraceSelectorTreeItem(*currentItem);
+
+                for (int i = 0; i < currentItem->childCount(); i++)
+                {
+                    auto child = static_cast<TraceSelectorTreeItem *>(currentItem->child(i));
+                    clonedItem->addChild(new TraceSelectorTreeItem(*child));
+                }
+
+                selectedTree->addTopLevelItem(clonedItem);
+            }
+        }
+
+        Q_EMIT selectedTree->itemsChanged();
+    }
+
+    QTreeWidget::keyPressEvent(event);
+}
+
 TraceSelectedTree::TraceSelectedTree(QWidget *parent) :
     QTreeWidget(parent)
 {
@@ -201,8 +229,8 @@ void TraceSelectedTree::keyPressEvent(QKeyEvent *event)
 
 TraceSelector::TraceSelector(QWidget *parent) :
     QWidget(parent), layout(new QVBoxLayout(this)),
-    availableTree(new TraceAvailableTree(this)),
-    selectedTree(new TraceSelectedTree(this))
+    selectedTree(new TraceSelectedTree(this)),
+    availableTree(new TraceAvailableTree(selectedTree, this))
 {
     QLabel *descriptionLabel = new QLabel();
     descriptionLabel->setText(
diff --git a/DRAMSys/traceAnalyzer/presentation/traceselector.h b/DRAMSys/traceAnalyzer/presentation/traceselector.h
index dc0b728c..7d120da2 100644
--- a/DRAMSys/traceAnalyzer/presentation/traceselector.h
+++ b/DRAMSys/traceAnalyzer/presentation/traceselector.h
@@ -43,17 +43,24 @@
 
 class TracePlot;
 class TracePlotLine;
+class TraceSelectedTree;
 class QVBoxLayout;
 
 class TraceAvailableTree : public QTreeWidget
 {
     Q_OBJECT
 public:
-    explicit TraceAvailableTree(QWidget *parent = nullptr) : QTreeWidget(parent) {}
+    explicit TraceAvailableTree(TraceSelectedTree* selectedTree, QWidget *parent = nullptr) :
+        QTreeWidget(parent), selectedTree(selectedTree) {}
 
 protected:
+    void keyPressEvent(QKeyEvent *event) override;
+
     QMimeData *mimeData(const QList<QTreeWidgetItem *> items) const override;
     QStringList mimeTypes() const override;
+
+private:
+    TraceSelectedTree *selectedTree;
 };
 
 class TraceSelectedTree : public QTreeWidget
@@ -123,8 +130,8 @@ private:
 
     TracePlot *traceplot;
     QVBoxLayout *layout;
-    TraceAvailableTree *availableTree;
     TraceSelectedTree *selectedTree;
+    TraceAvailableTree *availableTree;
 };
 
 #endif //TRACESELECTOR_H