diff --git a/src/st/st-settings.c b/src/st/st-settings.c
index 66f390873..7fbc5fbe0 100644
--- a/src/st/st-settings.c
+++ b/src/st/st-settings.c
@@ -86,6 +86,7 @@ st_settings_finalize (GObject *object)
 
   g_object_unref (settings->interface_settings);
   g_object_unref (settings->mouse_settings);
+  g_object_unref (settings->a11y_settings);
   g_free (settings->gtk_theme);
   g_free (settings->gtk_icon_theme);