diff --git a/gtk/tests/gtk-example-application.c b/gtk/tests/gtk-example-application.c
index 8e02804106..b2cff86a6a 100644
--- a/gtk/tests/gtk-example-application.c
+++ b/gtk/tests/gtk-example-application.c
@@ -1,13 +1,13 @@
 #include <gtk/gtk.h>
 
 static void
-new_window (GtkApplication *app,
-            GFile          *file)
+new_window (GApplication *app,
+            GFile        *file)
 {
   GtkWidget *window, *scrolled, *view;
 
   window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
-  gtk_window_set_application (GTK_WINDOW (window), app);
+  gtk_window_set_application (GTK_WINDOW (window), GTK_APPLICATION (app));
   gtk_window_set_title (GTK_WINDOW (window), "Bloatpad");
   scrolled = gtk_scrolled_window_new (NULL, NULL);
   view = gtk_text_view_new ();
@@ -33,17 +33,16 @@ new_window (GtkApplication *app,
 }
 
 static void
-activate (GtkApplication *application)
+bloat_pad_activate (GApplication *application)
 {
   new_window (application, NULL);
 }
 
 static void
-open (GtkApplication  *application,
-      GFile          **files,
-      gint             n_files,
-      const gchar     *hint,
-      gpointer         user_data)
+bloat_pad_open (GApplication  *application,
+                GFile        **files,
+                gint           n_files,
+                const gchar   *hint)
 {
   gint i;
 
@@ -51,18 +50,51 @@ open (GtkApplication  *application,
     new_window (application, files[i]);
 }
 
+typedef GtkApplication BloatPad;
+typedef GtkApplicationClass BloatPadClass;
+
+G_DEFINE_TYPE (BloatPad, bloat_pad, GTK_TYPE_APPLICATION)
+
+static void
+bloat_pad_finalize (GObject *object)
+{
+  G_OBJECT_CLASS (bloat_pad_parent_class)->finalize (object);
+}
+
+static void
+bloat_pad_init (BloatPad *app)
+{
+}
+
+static void
+bloat_pad_class_init (BloatPadClass *class)
+{
+  G_OBJECT_CLASS (class)->finalize= bloat_pad_finalize;
+
+  G_APPLICATION_CLASS (class)->activate = bloat_pad_activate;
+  G_APPLICATION_CLASS (class)->open = bloat_pad_open;
+}
+
+BloatPad *
+bloat_pad_new (void)
+{
+  g_type_init ();
+
+  return g_object_new (bloat_pad_get_type (),
+                       "application-id", "org.gtk.Test.bloatpad",
+                       "flags", G_APPLICATION_HANDLES_OPEN,
+                       NULL);
+}
+
 int
 main (int argc, char **argv)
 {
-  GtkApplication *app;
+  BloatPad *bloat_pad;
   int status;
 
-  app = gtk_application_new ("org.gtk.Test.bloatpad",
-                             G_APPLICATION_HANDLES_OPEN);
-  g_signal_connect (app, "activate", G_CALLBACK (activate), NULL);
-  g_signal_connect (app, "open", G_CALLBACK (open), NULL);
-  status = g_application_run (G_APPLICATION (app), argc, argv);
-  g_object_unref (app);
+  bloat_pad = bloat_pad_new ();
+  status = g_application_run (G_APPLICATION (bloat_pad), argc, argv);
+  g_object_unref (bloat_pad);
 
   return status;
 }