diff --git a/openlp/core/ui/generaltab.py b/openlp/core/ui/generaltab.py
index ec0d10743..212d67aca 100644
--- a/openlp/core/ui/generaltab.py
+++ b/openlp/core/ui/generaltab.py
@@ -38,6 +38,7 @@ class GeneralTab(SettingsTab):
         """
         self.screens = screens
         self.monitorNumber = 0
+        self.overrideChanged = False
         SettingsTab.__init__(self, u'General')
 
     def preLoad(self):
@@ -473,16 +474,18 @@ class GeneralTab(SettingsTab):
         Receiver.send_message(u'slidecontroller_live_spin_delay',
             self.timeoutSpinBox.value())
         # Reset screens after initial definition
-        self.screens.override[u'size'] = QtCore.QRect(
-            int(self.customXValueEdit.text()),
-            int(self.customYValueEdit.text()),
-            int(self.customWidthValueEdit.text()),
-            int(self.customHeightValueEdit.text()))
-        if self.overrideCheckBox.isChecked():
-            self.screens.set_override_display()
-            Receiver.send_message(u'config_screen_changed')
-        else:
-            self.screens.reset_current_display()
+        if self.overrideChanged:
+            self.screens.override[u'size'] = QtCore.QRect(
+                int(self.customXValueEdit.text()),
+                int(self.customYValueEdit.text()),
+                int(self.customWidthValueEdit.text()),
+                int(self.customHeightValueEdit.text()))
+            if self.overrideCheckBox.isChecked():
+                self.screens.set_override_display()
+                Receiver.send_message(u'config_screen_changed')
+            else:
+                self.screens.reset_current_display()
+                Receiver.send_message(u'config_screen_changed')
 
     def onOverrideCheckBoxToggled(self, checked):
         """
diff --git a/openlp/plugins/alerts/alertsplugin.py b/openlp/plugins/alerts/alertsplugin.py
index 3bbb6ec97..1c49665d2 100644
--- a/openlp/plugins/alerts/alertsplugin.py
+++ b/openlp/plugins/alerts/alertsplugin.py
@@ -89,8 +89,7 @@ class AlertsPlugin(Plugin):
 
     def toggleAlertsState(self):
         self.alertsActive = not self.alertsActive
-        QtCore.QSettings().setValue(
-            self.settingsSection + u'/active',
+        QtCore.QSettings().setValue(self.settingsSection + u'/active',
             QtCore.QVariant(self.alertsActive))
 
     def onAlertsTrigger(self):