diff --git a/install/install.php b/install/install.php
index 159ae15..36c178b 100755
--- a/install/install.php
+++ b/install/install.php
@@ -667,7 +667,7 @@ define(\'DEBUG\', FALSE);
if($_POST['pass']!=$_POST['passrepeat']){
$err.='
';
}
- if(!preg_match("^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,3})$", $_POST['email'])){
+ if(empty(preg_grep("^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,3})$", $_POST['email']))){
$err.='';
}
if(!$err){