diff --git a/src/libostree/ostree-fetcher-curl.c b/src/libostree/ostree-fetcher-curl.c
index eefef5e8d5..7b6ee77f93 100644
--- a/src/libostree/ostree-fetcher-curl.c
+++ b/src/libostree/ostree-fetcher-curl.c
@@ -52,6 +52,7 @@ struct OstreeFetcher
   char *tls_client_cert_path;
   char *tls_client_key_path;
   char *cookie_jar_path;
+  char *proxy;
   struct curl_slist *extra_headers;
   int tmpdir_dfd;
 
@@ -148,6 +149,7 @@ _ostree_fetcher_finalize (GObject *object)
   OstreeFetcher *self = OSTREE_FETCHER (object);
 
   g_free (self->cookie_jar_path);
+  g_free (self->proxy);
   g_assert_cmpint (g_hash_table_size (self->outstanding_requests), ==, 0);
   g_clear_pointer (&self->extra_headers, (GDestroyNotify)curl_slist_free_all);
   g_hash_table_unref (self->outstanding_requests);
@@ -594,6 +596,8 @@ void
 _ostree_fetcher_set_proxy (OstreeFetcher *self,
                            const char    *http_proxy)
 {
+  g_free (self->proxy);
+  self->proxy = g_strdup (http_proxy);
 }
 
 void
@@ -700,6 +704,12 @@ initiate_next_curl_request (FetcherRequest *req,
       g_assert_cmpint (rc, ==, CURLM_OK);
     }
 
+  if (self->proxy)
+    {
+      rc = curl_easy_setopt (req->easy, CURLOPT_PROXY, self->proxy);
+      g_assert_cmpint (rc, ==, CURLM_OK);
+    }
+
   if (self->tls_ca_db_path)
     curl_easy_setopt (req->easy, CURLOPT_CAINFO, self->tls_ca_db_path);