diff --git a/xfce4-settings-editor/xfce-settings-cell-renderer.c b/xfce4-settings-editor/xfce-settings-cell-renderer.c
index b2e7956..4df17f8 100644
--- a/xfce4-settings-editor/xfce-settings-cell-renderer.c
+++ b/xfce4-settings-editor/xfce-settings-cell-renderer.c
@@ -100,6 +100,8 @@ static GtkCellEditable *xfce_settings_cell_renderer_start_editing (GtkCellRender
                                                                    const GdkRectangle   *background_area,
                                                                    const GdkRectangle   *cell_area,
                                                                    GtkCellRendererState  flags);
+static void             xfce_settings_array_to_string             (const GValue         *src_value,
+                                                                   GValue               *dest_value);
 static void             xfce_settings_strv_to_string              (const GValue         *src_value,
                                                                    GValue               *dest_value);
 
@@ -153,6 +155,8 @@ xfce_settings_cell_renderer_class_init (XfceSettingsCellRendererClass *klass)
 
     g_value_register_transform_func (G_TYPE_STRV, G_TYPE_STRING,
                                      xfce_settings_strv_to_string);
+    g_value_register_transform_func (xfce_settings_array_type (), G_TYPE_STRING,
+                                     xfce_settings_array_to_string);
 }
 
 
@@ -620,20 +624,3 @@ xfce_settings_cell_renderer_new (void)
 {
     return g_object_new (XFCE_TYPE_SETTINGS_CELL_RENDERER, NULL);
 }
-
-
-
-GType
-xfce_settings_array_type (void)
-{
-    static GType type = 0;
-
-    if (type == 0)
-    {
-        type = dbus_g_type_get_collection ("GPtrArray", G_TYPE_VALUE);
-        g_value_register_transform_func (type, G_TYPE_STRING,
-                                         xfce_settings_array_to_string);
-    }
-
-    return type;
-}