diff --git a/shared/nm-glib-aux/nm-shared-utils.h b/shared/nm-glib-aux/nm-shared-utils.h
index 380c7b766a..2ffb972746 100644
--- a/shared/nm-glib-aux/nm-shared-utils.h
+++ b/shared/nm-glib-aux/nm-shared-utils.h
@@ -925,6 +925,9 @@ nm_g_source_destroy_and_unref (GSource *source)
 	g_source_unref (source);
 }
 
+NM_AUTO_DEFINE_FCN0 (GSource *, _nm_auto_destroy_and_unref_gsource, nm_g_source_destroy_and_unref);
+#define nm_auto_destroy_and_unref_gsource nm_auto(_nm_auto_destroy_and_unref_gsource)
+
 /*****************************************************************************/
 
 static inline int