diff --git a/glib/glib-autocleanups.h b/glib/glib-autocleanups.h
index acd38a7ab..529cb5de2 100644
--- a/glib/glib-autocleanups.h
+++ b/glib/glib-autocleanups.h
@@ -96,6 +96,6 @@ G_DEFINE_AUTOPTR_CLEANUP_FUNC(GVariantDict, g_variant_dict_unref)
 G_DEFINE_AUTO_CLEANUP_CLEAR_FUNC(GVariantDict, g_variant_dict_clear)
 G_DEFINE_AUTOPTR_CLEANUP_FUNC(GVariantType, g_variant_type_free)
 G_DEFINE_AUTO_CLEANUP_FREE_FUNC(GStrv, g_strfreev, NULL)
-G_DEFINE_AUTOPTR_CLEANUP_FUNC (GRefString, g_ref_string_release)
+G_DEFINE_AUTOPTR_CLEANUP_FUNC(GRefString, g_ref_string_release)
 
 G_GNUC_END_IGNORE_DEPRECATIONS