diff --git a/src/libostree/ostree-fetcher.h b/src/libostree/ostree-fetcher.h
index 16cf3d7d..8ec5f209 100644
--- a/src/libostree/ostree-fetcher.h
+++ b/src/libostree/ostree-fetcher.h
@@ -46,6 +46,8 @@ struct OstreeFetcherClass
   GObjectClass parent_class;
 };
 
+G_DEFINE_AUTOPTR_CLEANUP_FUNC(OstreeFetcher, g_object_unref)
+
 typedef enum {
   OSTREE_FETCHER_FLAGS_NONE = 0,
   OSTREE_FETCHER_FLAGS_TLS_PERMISSIVE = (1 << 0),