diff --git a/main/survey/app/Controllers/CheckController.php b/main/survey/app/Controllers/CheckController.php
index 5036f590b..f6b84ff94 100644
--- a/main/survey/app/Controllers/CheckController.php
+++ b/main/survey/app/Controllers/CheckController.php
@@ -629,15 +629,20 @@ class CheckController extends Controller
 
             $sql1 = sisplet_query("SELECT g.id FROM srv_user_grupa" . get('db_table') . " u, srv_grupa g WHERE u.gru_id=g.id AND u.usr_id='" . get('usr_id') . "' ORDER BY g.vrstni_red DESC LIMIT 1");
             if (!$sql1) echo mysqli_error($GLOBALS['connect_db']);
-            $row1 = mysqli_fetch_array($sql1);
 
-            save('grupa', $row1['id']);
-            $grupa = Find::getInstance()->findNextGrupa();
+            if(mysqli_num_rows($sql1) > 0){
 
-            if ($grupa > 0) {
-                setcookie('ref', get('anketa'));    // cookie z referalom (da se ne sprozi redirect zaradi referala pri ?code= )
-                return header("Location: " . \SurveyInfo::getSurveyLink() . "&grupa=$grupa" . (isset($_GET['language']) ? '&language=' . $_GET['language'] : '') . (isset($_GET['skupina']) ? '&skupina=' . $_GET['skupina'] : '') . get('cookie_url') . "&c");
-                die();
+                $row1 = mysqli_fetch_array($sql1);
+                
+                save('grupa', $row1['id']);
+
+                $grupa = Find::getInstance()->findNextGrupa();
+
+                if ($grupa > 0) {
+                    setcookie('ref', get('anketa'));    // cookie z referalom (da se ne sprozi redirect zaradi referala pri ?code= )
+                    return header("Location: " . \SurveyInfo::getSurveyLink() . "&grupa=$grupa" . (isset($_GET['language']) ? '&language=' . $_GET['language'] : '') . (isset($_GET['skupina']) ? '&skupina=' . $_GET['skupina'] : '') . get('cookie_url') . "&c");
+                    die();
+                }
             }
         }
     }