diff --git a/xfce4-settings-editor/xfce-settings-cell-renderer.c b/xfce4-settings-editor/xfce-settings-cell-renderer.c
index b2e7956..e352536 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 (G_TYPE_PTR_ARRAY, G_TYPE_STRING,
+                                     xfce_settings_array_to_string);
 }
 
 
@@ -278,7 +282,8 @@ xfce_settings_cell_renderer_prepare (XfceSettingsCellRenderer *renderer)
     GValue        str_value = { 0, };
 
     if (G_VALUE_TYPE (value) == xfce_settings_array_type ()
-        || G_VALUE_TYPE (value) == G_TYPE_STRV)
+        || G_VALUE_TYPE (value) == G_TYPE_STRV
+        || G_VALUE_TYPE (value) == G_TYPE_PTR_ARRAY)
         goto transform_value;
 
     switch (G_VALUE_TYPE (value))