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-rw-r--r--admin/user_list.php2
1 files changed, 1 insertions, 1 deletions
diff --git a/admin/user_list.php b/admin/user_list.php
index 2fbf3ccc4..f759365b0 100644
--- a/admin/user_list.php
+++ b/admin/user_list.php
@@ -150,7 +150,7 @@ else
}
$vtp->addSession( $sub, 'user' );
// checkbox for mail management if the user has a mail address
- if ( $row['mail_address'] != '' and $row['username'] != 'guest' )
+ if ( isset( $row['mail_address'] ) and $row['username'] != 'guest' )
{
$vtp->addSession( $sub, 'checkbox' );
$vtp->setVar( $sub, 'checkbox.name', 'mail-'.$row['id'] );