diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index ae8e263..9efc644 100644
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -1,111 +1,118 @@
 /* Atelier KDE Printer Host for 3D Printing
     Copyright (C) <2016>
     Author: Lays Rodrigues - laysrodrigues@gmail.com
             Chris Rizzitello - rizzitello@kde.org
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation, either version 3 of the License, or
     (at your option) any later version.
 
     This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 #include "mainwindow.h"
 #include "ui_mainwindow.h"
 #include <QFileDialog>
 #include <KLocalizedString>
 #include <KStandardAction>
 #include <KActionCollection>
 #include <KXMLGUIFactory>
 
 
 MainWindow::MainWindow(QWidget *parent) :
     KXmlGuiWindow(parent),
     ui(new Ui::MainWindow),
     profilesDialog(new ProfilesDialog(this)),
     connectSettingsDialog(new ConnectSettingsDialog(this))
 {
     ui->setupUi(this);
     setupActions();
     initWidgets();
 }
 
 MainWindow::~MainWindow()
 {
     delete ui;
 }
 
 
 void MainWindow::initWidgets()
 {
     // When a new profile is added on the Profile Dialog it needs to update the profiles on connection dialog
     connect(profilesDialog, &ProfilesDialog::updateProfiles,
             connectSettingsDialog, &ConnectSettingsDialog::updateProfiles);
     connect(connectSettingsDialog, &ConnectSettingsDialog::startConnection, this, &MainWindow::newConnection);
 
 //     connectSettingsDialog->setFirmwareList(core.availableFirmwarePlugins());
 //     profilesDialog->setBaudRates(core.serial()->validBaudRates());
 }
 
 void MainWindow::setupActions()
 {
     // Actions for the Toolbar
     QAction *action;
     action = actionCollection()->addAction(QStringLiteral("open_gcode"));
     action->setText(i18n("&Open GCode"));
     connect(action, &QAction::triggered, this, &MainWindow::openFile);
 
     action = actionCollection()->addAction(QStringLiteral("connect"));
     action->setText(i18n("&Connect"));
     connect(action, &QAction::triggered, connectSettingsDialog, &ConnectSettingsDialog::show);
 
     action = actionCollection()->addAction(QStringLiteral("profiles"));
     action->setText(i18n("&Profiles"));
     connect(action, &QAction::triggered, profilesDialog, &ProfilesDialog::show);
 
 
     #ifdef Q_OS_LINUX
     //only set icons from theme on linux
         actionCollection()->action(QStringLiteral("profiles"))->setIcon(QIcon::fromTheme("emblem-favorite"));
     #endif
     //use style's standardIcon for the icons we can.
     actionCollection()->action(QStringLiteral("open_gcode"))->setIcon(style()->standardIcon(QStyle::SP_DirOpenIcon));
 
     action = KStandardAction::quit(qApp, SLOT(quit()), actionCollection());
 
     setupGUI(Default, ":/atelierui");
 }
 
 void MainWindow::openFile()
 {
     QUrl fileNameFromDialog = QFileDialog::getOpenFileUrl(this, i18n("Open GCode"),
                               QDir::homePath(), i18n("GCode (*.gco *.gcode)"));
     if (!fileNameFromDialog.isEmpty()) {
         fileName = fileNameFromDialog;
         ui->gcodeEditorWidget->loadFile(fileName);
         guiFactory()->addClient(ui->gcodeEditorWidget->gcodeView());
         ui->view3DWidget->drawModel(fileName.toString());
+        const int tabs = ui->tabWidget->count();
+        QList<QUrl> files;
+        files.append(fileName);
+        for(int i=0; i < tabs; ++i){
+            auto instance = qobject_cast<AtCoreInstanceWidget*>(ui->tabWidget->widget(i));
+            instance->setOpenFiles(files);
+        }
     }
 }
 
 void MainWindow::newConnection(const QString& port, const QMap<QString, QVariant>& profile)
 {
     const int tabs = ui->tabWidget->count();
     if(ui->tabWidget->count() == 1){
         auto instance = qobject_cast<AtCoreInstanceWidget*>(ui->tabWidget->currentWidget());
         if(!instance->connected()){
             instance->startConnection(port, profile);
             return;
         }
     }
 
     auto newInstanceWidget = new AtCoreInstanceWidget();
     ui->tabWidget->addTab(newInstanceWidget, QString::number(tabs+1));
     newInstanceWidget->startConnection(port, profile);
 }