diff --git a/module/group/model.php b/module/group/model.php
index b36eef0990..5fc2bf37f3 100644
--- a/module/group/model.php
+++ b/module/group/model.php
@@ -30,7 +30,7 @@ class groupModel extends model
 
         $this->lang->error->unique = $this->lang->group->repeat;
         $this->dao->insert(TABLE_GROUP)->data($group)
-            ->check('name', 'unique', "vision = '{$this->config->vision}' && project='{$group->project}'")
+            ->check('name', 'unique', "vision = '{$this->config->vision}' and project='{$group->project}'")
             ->exec();
         if(dao::isError()) return false;
 
@@ -78,7 +78,7 @@ class groupModel extends model
     {
         $this->lang->error->unique = $this->lang->group->repeat;
         $this->dao->insert(TABLE_GROUP)->data($group)
-            ->check('name', 'unique', "vision = '{$this->config->vision}' && project = '{$group->project}'")
+            ->check('name', 'unique', "vision = '{$this->config->vision}' and project = '{$group->project}'")
             ->exec();
         if(dao::isError()) return false;