diff --git a/classes/nick.php b/classes/nick.php
index 7a5f455..6327d18 100644
--- a/classes/nick.php
+++ b/classes/nick.php
@@ -42,13 +42,13 @@ class nick
     public function full($showInvisibility = 0)
     {
         $n = '';
-        if ($showInvisibility && $this->user_data['invis']) {
+        if ($showInvisibility && isset($this->user_data['invis'])) {
             return '<i>невидимка</i>';
         } else {
-            if ($this->user_data['align']) {
+            if (isset($this->user_data['align'])) {
                 $n .= sprintf('<img src="i/align_%s.gif">', intval($this->user_data['align']));
             }
-            if ($this->user_data['klan']) {
+            if (isset($this->user_data['klan'])) {
                 $n .= sprintf('<img src="i/klan/%s.gif">', htmlspecialchars($this->user_data['klan']));
             }
         }