don't set a date as a group

diff --git a/mod/network.php b/mod/network.php
index b5582b5fadbce892c059b8ece3c6b6b7ccbb5029..ef1fd877b19708997524d9c7e53d2ed94cf4c789 100644 (file)
--- a/mod/network.php
+++ b/mod/network.php
@@ -142,7 +142,7 @@ function network_init(&$a) {
        if(x($_GET['nets']) && $_GET['nets'] === 'all')
                unset($_GET['nets']);
        
-       $group_id = (($a->argc > 1 && intval($a->argv[1])) ? intval($a->argv[1]) : 0);
+       $group_id = (($a->argc > 1 && is_numeric($a->argv[1])) ? intval($a->argv[1]) : 0);
 
        set_pconfig(local_user(), 'network.view', 'group.selected', $group_id);