Load preferences only if user is registered

diff --git a/lib/l10n.php b/lib/l10n.php
index 47d331b3fc6282117e7c2477e6ddc14bc4dcd60f..e800941e3d3809e3391066640ad0aed085d81e74 100644 (file)
--- a/lib/l10n.php
+++ b/lib/l10n.php
@@ -197,7 +197,7 @@ class OC_L10N{
                        }
                }
 
-               if( isset($_SESSION['user_id']) && OC_PREFERENCES::getValue( $_SESSION['user_id'], 'core', 'lang' )){
+               if( isset($_SESSION['user_id']) && $_SESSION['user_id'] && OC_PREFERENCES::getValue( $_SESSION['user_id'], 'core', 'lang' )){
                        $lang = OC_PREFERENCES::getValue( $_SESSION['user_id'], 'core', 'lang' );
                        self::$language = $lang;
                        if( array_search( $lang, $available )){