diff --git a/pandora_console/include/functions_groups.php b/pandora_console/include/functions_groups.php
index 9dc757d1e6..20841bf26a 100644
--- a/pandora_console/include/functions_groups.php
+++ b/pandora_console/include/functions_groups.php
@@ -567,7 +567,7 @@ function groups_get_groups_tree_recursive($groups, $trash=0, $trash2=0)
 
     $tree = $groups;
     foreach ($groups as $key => $group) {
-        if ($group['id_grupo'] == 0) {
+        if (is_array($group) === false || (int) $group['id_grupo'] === 0) {
             continue;
         }