diff --git a/openlp/core/ui/mainwindow.py b/openlp/core/ui/mainwindow.py
index 4a79f6cae..2998bd0e9 100644
--- a/openlp/core/ui/mainwindow.py
+++ b/openlp/core/ui/mainwindow.py
@@ -598,9 +598,10 @@ class MainWindow(QtGui.QMainWindow, Ui_MainWindow):
         Show the Settings dialog
         """
         self.settingsForm.exec_()
-        screen_number = self.getMonitorNumber()
-        self.RenderManager.update_display(screen_number)
-        self.mainDisplay.setup(screen_number)
+        updated_display = self.getMonitorNumber()
+        if updated_display != self.RenderManager.current_display:
+            self.RenderManager.update_display(updated_display)
+            self.mainDisplay.setup(updated_display)
 
     def closeEvent(self, event):
         """