diff --git a/glnx-backport-autocleanups.h b/glnx-backport-autocleanups.h
index 9e90fa879c2e69fe169fde49dae6faed90948601..cc2496114ea1094aaf7cd0329a19582a70759882 100644
--- a/glnx-backport-autocleanups.h
+++ b/glnx-backport-autocleanups.h
@@ -105,6 +105,8 @@ 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)
+G_DEFINE_AUTOPTR_CLEANUP_FUNC(GZlibCompressor, g_object_unref)
+G_DEFINE_AUTOPTR_CLEANUP_FUNC(GZlibDecompressor, g_object_unref)
 
 #endif