diff --git a/src/headlessloader.h b/src/headlessloader.h
index 5a96665f8..6ed1b2acb 100644
--- a/src/headlessloader.h
+++ b/src/headlessloader.h
@@ -41,7 +41,7 @@ class HeadlessLoader: public QObject {
 
 public:
   HeadlessLoader(const QStringList &torrentCmdLine) {
-    connect(static_cast<SessionApplication*>(qApp), SIGNAL(aboutToQuit()), this, SLOT(deleteBTSession()), Qt::DirectConnection);
+    connect(qApp, SIGNAL(aboutToQuit()), this, SLOT(deleteBTSession()), Qt::DirectConnection);
     Preferences pref;
     // Enable Web UI
     pref.setWebUiEnabled(true);
diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index c9b6dfdf0..39cde1d50 100644
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -110,7 +110,7 @@ MainWindow::MainWindow(QWidget *parent, const QStringList& torrentCmdLine) : QMa
   setWindowTitle(QString("qBittorrent %1").arg(QString::fromUtf8(VERSION)));
   displaySpeedInTitle = pref.speedInTitleBar();
   // Clean exit on log out
-  connect(static_cast<SessionApplication*>(qApp), SIGNAL(aboutToQuit()), this, SLOT(deleteBTSession()), Qt::DirectConnection);
+  connect(qApp, SIGNAL(aboutToQuit()), this, SLOT(deleteBTSession()), Qt::DirectConnection);
   // Setting icons
 #if defined(Q_WS_X11)
   if (Preferences().useSystemIconTheme())