diff --git a/admin/include/updates.class.php b/admin/include/updates.class.php
index 61abdc315..e8718779b 100644
--- a/admin/include/updates.class.php
+++ b/admin/include/updates.class.php
@@ -554,6 +554,7 @@ class updates
 
             deltree(PHPWG_ROOT_PATH.$conf['data_location'].'update');
             invalidate_user_cache(true);
+            conf_update_param('piwigo_installed_version', $upgrade_to);
             pwg_activity('system', ACTIVITY_SYSTEM_CORE, 'update', array('from_version'=>PHPWG_VERSION, 'to_version'=>$upgrade_to));
 
             if ($step == 2)
diff --git a/include/common.inc.php b/include/common.inc.php
index 2ab4a2243..3fe9bfab4 100644
--- a/include/common.inc.php
+++ b/include/common.inc.php
@@ -150,6 +150,16 @@ ImageStdParams::load_from_db();
 session_start();
 load_plugins();
 
+if (!isset($conf['piwigo_installed_version']))
+{
+  conf_update_param('piwigo_installed_version', PHPWG_VERSION);
+}
+elseif ($conf['piwigo_installed_version'] != PHPWG_VERSION)
+{
+  pwg_activity('system', ACTIVITY_SYSTEM_CORE, 'autoupdate', array('from_version'=>$conf['piwigo_installed_version'], 'to_version'=>PHPWG_VERSION));
+  conf_update_param('piwigo_installed_version', PHPWG_VERSION);
+}
+
 // 2022-02-25 due to escape on "rank" (becoming a mysql keyword in version 8), the $conf['order_by'] might
 // use a "rank", even if admin/configuration.php should have removed it. We must remove it.
 // TODO remove this data update as soon as 2025 arrives