diff --git a/libxapp/xapp-gtk-window.c b/libxapp/xapp-gtk-window.c
index ff0593d..6ee1337 100644
--- a/libxapp/xapp-gtk-window.c
+++ b/libxapp/xapp-gtk-window.c
@@ -266,7 +266,7 @@
  */
 
 void
-xapp_set_window_icon_name (XAppGtkWindow   *window,
+xapp_set_window_icon_name (GtkWindow       *window,
                            const gchar     *icon_name)
 {
     g_return_if_fail (GTK_IS_WINDOW (window));
diff --git a/libxapp/xapp-gtk-window.h b/libxapp/xapp-gtk-window.h
index 45ea7df..90dbcf9 100644
--- a/libxapp/xapp-gtk-window.h
+++ b/libxapp/xapp-gtk-window.h
@@ -44,7 +44,7 @@
 
 /* Wrappers (for GtkWindow subclasses like GtkDialog)*/
 
-void                     xapp_set_window_icon_name                       (XAppGtkWindow   *window,
+void                     xapp_set_window_icon_name                       (GtkWindow       *window,
                                                                           const gchar     *icon_name);
 
 void                     xapp_set_window_icon_from_file                  (GtkWindow   *window,