Fix reference links

[banana.git] / banana / banana.inc.php.in

diff --git a/banana/banana.inc.php.in b/banana/banana.inc.php.in
index a93c11e..cdf43dd 100644 (file)
--- a/banana/banana.inc.php.in
+++ b/banana/banana.inc.php.in
@@ -117,7 +117,8 @@ class Banana
         }
 
         $group  = empty($banana->get['group']) ? null : $banana->get['group'];
-        if (isset($banana->grp_pattern) && !preg_match('/' . $banana->grp_pattern . '/', $group)) {
+        if (!is_null($group)
+                &&  isset($banana->grp_pattern) && !preg_match('/' . $banana->grp_pattern . '/', $group)) {
             return '<p class="error">'
                     . $group . _b_(' : ce newsgroup n\'existe pas ou vous n\'avez pas l\'autorisation d\'y accéder')
                     . '</p>';