diff --git a/src/libostree/ostree-fetcher-curl.c b/src/libostree/ostree-fetcher-curl.c
index 6a84ba7e63..f66e6ae45f 100644
--- a/src/libostree/ostree-fetcher-curl.c
+++ b/src/libostree/ostree-fetcher-curl.c
@@ -148,6 +148,7 @@ _ostree_fetcher_finalize (GObject *object)
   g_clear_pointer (&self->extra_headers, (GDestroyNotify)curl_slist_free_all);
   g_hash_table_unref (self->outstanding_requests);
   g_hash_table_unref (self->sockets);
+  g_clear_pointer (&self->timer_event, (GDestroyNotify)g_source_destroy);
   if (self->mainctx)
     g_main_context_unref (self->mainctx);
   curl_multi_cleanup (self->multi);