diff --git a/src/site/helpers/auth.php b/src/site/helpers/auth.php
index 6fd944c..1489488 100644
--- a/src/site/helpers/auth.php
+++ b/src/site/helpers/auth.php
@@ -38,7 +38,6 @@ class ClubsHelperAuth
         $value['sign'] = convert_uuencode($signature);
         
         $jsonValue = json_encode($value);
-        $uue = convert_uuencode($jsonValue);
          
         $c = Factory::getApplication()->input->cookie;
         if(! $keep)
@@ -51,20 +50,23 @@ class ClubsHelperAuth
             $time = time() + 3600*24*15;
             $c->set('clubsLoginKeepLoggedIn', 'true', time() + 3600*24*356*10);
         }
-        $c->set('clubsLogin', $uue, $time);
+        $c->set('clubsLogin', $jsonValue, $time);
     }
     
     public function checkCookie()
     {
         $cookie = Factory::getApplication()->input->cookie;
-        $uue = $cookie->get('clubsLogin', '', 'raw');
+        $jsonValue = $cookie->get('clubsLogin', '', 'raw');
         
-        if($uue === '')
+        if($jsonValue === '')
             return false;
         
-        $jsonValue = convert_uudecode($uue);
-        
         $value = json_decode($jsonValue, true);
+        
+        if($value === null)
+            // Error in JSON code
+            return false;
+        
         $keys = $this->getKeys();
         $pubkey = openssl_pkey_get_public($keys['public']);
         $ret = openssl_verify(json_encode($value['auth']), convert_uudecode($value['sign']), $pubkey);