diff --git a/src/usr/local/www/diag_backup.php b/src/usr/local/www/diag_backup.php
index 40d663cba7..0c502dc907 100644
--- a/src/usr/local/www/diag_backup.php
+++ b/src/usr/local/www/diag_backup.php
@@ -41,6 +41,7 @@ require_once("guiconfig.inc");
 require_once("functions.inc");
 require_once("filter.inc");
 require_once("shaper.inc");
+require_once("pkg-utils.inc");
 
 $rrddbpath = "/var/db/rrd";
 $rrdtool = "/usr/bin/nice -n20 /usr/local/bin/rrdtool";
@@ -322,6 +323,7 @@ if ($_POST) {
 
 								if ($pkg_repo_restored) {
 									write_config(gettext("Removing pkg repository set after restoring full configuration"));
+									pkg_update(true);
 								}
 
 								if (file_exists("/boot/loader.conf")) {