diff --git a/glnx-backport-autocleanups.h b/glnx-backport-autocleanups.h
index 05b405c5..472c8656 100644
--- a/glnx-backport-autocleanups.h
+++ b/glnx-backport-autocleanups.h
@@ -99,5 +99,7 @@ G_DEFINE_AUTOPTR_CLEANUP_FUNC(GTask, g_object_unref)
 G_DEFINE_AUTOPTR_CLEANUP_FUNC(GTlsCertificate, g_object_unref)
 G_DEFINE_AUTOPTR_CLEANUP_FUNC(GTlsDatabase, g_object_unref)
 G_DEFINE_AUTOPTR_CLEANUP_FUNC(GTlsInteraction, g_object_unref)
+G_DEFINE_AUTOPTR_CLEANUP_FUNC(GDBusConnection, g_object_unref)
+G_DEFINE_AUTOPTR_CLEANUP_FUNC(GDBusMessage, g_object_unref)
 
 #endif