diff --git a/openlp/core/ui/mainwindow.py b/openlp/core/ui/mainwindow.py
index ab7fe2fe4..b11769bd9 100644
--- a/openlp/core/ui/mainwindow.py
+++ b/openlp/core/ui/mainwindow.py
@@ -977,7 +977,7 @@ class MainWindow(QtGui.QMainWindow, Ui_MainWindow):
             QtGui.QMessageBox.Ok))
         self.settingsImported = True
         self.cleanUp()
-        sys.exit(0)
+        os._exit(0)
 
     def onSettingsExportItemClicked(self, exportFileName=None):
         """