Index: Application/Ringtoets/src/Application.Ringtoets/App.xaml.cs
===================================================================
diff -u -r67ee2ee63517028ea64c697cc6e6bed5808c8b76 -r05013c44d1273bac219a442dc7959706c6bac715
--- Application/Ringtoets/src/Application.Ringtoets/App.xaml.cs	(.../App.xaml.cs)	(revision 67ee2ee63517028ea64c697cc6e6bed5808c8b76)
+++ Application/Ringtoets/src/Application.Ringtoets/App.xaml.cs	(.../App.xaml.cs)	(revision 05013c44d1273bac219a442dc7959706c6bac715)
@@ -83,6 +83,15 @@
             log.Info(string.Format(Core.Common.Gui.Properties.Resources.App_Starting_Ringtoets_version_0, SettingsHelper.ApplicationVersion));
         }
 
+        protected override void OnExit(ExitEventArgs e)
+        {
+            if (singleInstanceMutex != null)
+            {
+                singleInstanceMutex.ReleaseMutex();
+            }
+            base.OnExit(e);
+        }
+
         /// <summary>
         /// Runs the main Ringtoets application.
         /// </summary>
@@ -109,15 +118,6 @@
             GC.WaitForPendingFinalizers();
         }
 
-        protected override void OnExit(ExitEventArgs e)
-        {
-            if (singleInstanceMutex != null)
-            {
-                singleInstanceMutex.ReleaseMutex();
-            }
-            base.OnExit(e);
-        }
-
         private void App_Startup(object sender, StartupEventArgs e)
         {
             ParseArguments(e.Args);