diff --git a/src/gui/applyprogressdialog.h b/src/gui/applyprogressdialog.h
index 0277faa..b838bb0 100644
--- a/src/gui/applyprogressdialog.h
+++ b/src/gui/applyprogressdialog.h
@@ -16,8 +16,7 @@
  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.*
  *************************************************************************/
 
-#if !defined(APPLYPROGRESSDIALOG_H)
-
+#ifndef APPLYPROGRESSDIALOG_H
 #define APPLYPROGRESSDIALOG_H
 
 #include <QDialog>
diff --git a/src/gui/mainwindow.cpp b/src/gui/mainwindow.cpp
index 404150e..be7bbcf 100644
--- a/src/gui/mainwindow.cpp
+++ b/src/gui/mainwindow.cpp
@@ -166,6 +166,7 @@ void MainWindow::closeEvent(QCloseEvent* event)
 
     KXmlGuiWindow::closeEvent(event);
     ExternalCommand::stopHelper();
+    delete m_ApplyProgressDialog;
 }
 
 void MainWindow::changeEvent(QEvent* event)