diff --git a/glib/glib-autocleanups.h b/glib/glib-autocleanups.h
index a3c059a0d..df654e582 100644
--- a/glib/glib-autocleanups.h
+++ b/glib/glib-autocleanups.h
@@ -41,7 +41,7 @@ G_DEFINE_AUTOPTR_CLEANUP_FUNC(GMarkupParseContext, g_markup_parse_context_unref)
 G_DEFINE_AUTOPTR_CLEANUP_FUNC(gchar, g_free)
 G_DEFINE_AUTOPTR_CLEANUP_FUNC(GNode, g_node_destroy)
 G_DEFINE_AUTOPTR_CLEANUP_FUNC(GOptionContext, g_option_context_free)
-G_DEFINE_AUTOPTR_CLEANUP_FUNC(GOptionGroup, g_option_group_free)
+G_DEFINE_AUTOPTR_CLEANUP_FUNC(GOptionGroup, g_option_group_unref)
 G_DEFINE_AUTOPTR_CLEANUP_FUNC(GPatternSpec, g_pattern_spec_free)
 G_DEFINE_AUTOPTR_CLEANUP_FUNC(GQueue, g_queue_free)
 G_DEFINE_AUTO_CLEANUP_CLEAR_FUNC(GQueue, g_queue_clear)