diff --git a/app/xdg-app-builtins-build-export.c b/app/xdg-app-builtins-build-export.c
index 296b5910..940e9e96 100644
--- a/app/xdg-app-builtins-build-export.c
+++ b/app/xdg-app-builtins-build-export.c
@@ -407,10 +407,9 @@ xdg_app_builtin_build_export (int argc, char **argv, GCancellable *cancellable,
   if (!ostree_repo_commit_transaction (repo, &stats, cancellable, error))
     goto out;
 
-  if (!ostree_repo_regenerate_summary (repo,
-                                       NULL,
-                                       cancellable,
-                                       error))
+  if (!xdg_app_repo_update (repo,
+                            cancellable,
+                            error))
     goto out;
 
   format_size = g_format_size (stats.content_bytes_written);
diff --git a/app/xdg-app-builtins-repo-update.c b/app/xdg-app-builtins-repo-update.c
index e6a74fdb..5b693c3b 100644
--- a/app/xdg-app-builtins-repo-update.c
+++ b/app/xdg-app-builtins-repo-update.c
@@ -46,7 +46,6 @@ xdg_app_builtin_build_update_repo (int argc, char **argv, GCancellable *cancella
   g_autoptr(GFile) repofile = NULL;
   g_autoptr(OstreeRepo) repo = NULL;
   const char *location;
-  GVariant *extra = NULL;
 
   context = g_option_context_new ("LOCATION - Update repository metadata");
 
@@ -64,19 +63,12 @@ xdg_app_builtin_build_update_repo (int argc, char **argv, GCancellable *cancella
   if (!ostree_repo_open (repo, cancellable, error))
     return FALSE;
 
-  if (opt_title)
-    {
-      GVariantBuilder builder;
-
-      g_variant_builder_init (&builder, G_VARIANT_TYPE_VARDICT);
-      g_variant_builder_add (&builder, "{sv}", "xa.title", g_variant_new_string (opt_title));
-      extra = g_variant_builder_end (&builder);
-    }
-
-  if (!ostree_repo_regenerate_summary (repo, extra, cancellable, error))
+  if (opt_title &&
+      !xdg_app_repo_set_title (repo, opt_title, error))
     return FALSE;
 
-  /* TODO: appstream data */
+  if (!xdg_app_repo_update (repo, cancellable, error))
+    return FALSE;
 
   return TRUE;
 }
diff --git a/common/xdg-app-utils.c b/common/xdg-app-utils.c
index 7c590758..08ed0d4c 100644
--- a/common/xdg-app-utils.c
+++ b/common/xdg-app-utils.c
@@ -1293,3 +1293,54 @@ xdg_app_variant_bsearch_str (GVariant   *array,
   *out_pos = imid;
   return FALSE;
 }
+
+gboolean
+xdg_app_repo_set_title (OstreeRepo *repo,
+                        const char *title,
+                        GError **error)
+{
+  g_autoptr(GKeyFile) config = NULL;
+
+  config = ostree_repo_copy_config (repo);
+
+  if (title)
+    g_key_file_set_string (config, "xdg-app", "title", title);
+  else
+    g_key_file_remove_key (config, "xdg-app", "title", NULL);
+
+  if (!ostree_repo_write_config (repo, config, error))
+    return FALSE;
+
+  return TRUE;
+}
+
+gboolean
+xdg_app_repo_update (OstreeRepo *repo,
+                     GCancellable *cancellable,
+                     GError **error)
+{
+  GVariantBuilder builder;
+  GKeyFile *config;
+  g_autofree char *title = NULL;
+
+  g_variant_builder_init (&builder, G_VARIANT_TYPE_VARDICT);
+
+  config = ostree_repo_get_config (repo);
+
+  if (config)
+    {
+      title = g_key_file_get_string (config, "xdg-app", "title", NULL);
+    }
+
+  if (title)
+    g_variant_builder_add (&builder, "{sv}", "xa.title",
+                           g_variant_new_string (title));
+
+  if (!ostree_repo_regenerate_summary (repo, g_variant_builder_end (&builder),
+                                       cancellable, error))
+    return FALSE;
+
+  /* TODO: appstream data */
+
+  return TRUE;
+}
diff --git a/common/xdg-app-utils.h b/common/xdg-app-utils.h
index 17b464cf..2a08f0f6 100644
--- a/common/xdg-app-utils.h
+++ b/common/xdg-app-utils.h
@@ -169,6 +169,13 @@ void                xdg_app_table_printer_append_with_comma (XdgAppTablePrinter
 void                xdg_app_table_printer_finish_row        (XdgAppTablePrinter *printer);
 void                xdg_app_table_printer_print             (XdgAppTablePrinter *printer);
 
+gboolean xdg_app_repo_set_title (OstreeRepo    *repo,
+                                 const char    *title,
+                                 GError       **error);
+gboolean xdg_app_repo_update    (OstreeRepo    *repo,
+                                 GCancellable  *cancellable,
+                                 GError       **error);
+
 gboolean            xdg_app_spawn (GFile        *dir,
                                    char        **output,
                                    GError      **error,