diff --git a/root/usr/share/mozilla-mcd/firefox.php b/root/usr/share/mozilla-mcd/firefox.php
index 16e568b..8066fed 100644
--- a/root/usr/share/mozilla-mcd/firefox.php
+++ b/root/usr/share/mozilla-mcd/firefox.php
@@ -20,6 +20,7 @@ if(isset($_SERVER['QUERY_STRING']) && preg_match('/^.+@' . DOMAIN . '$/', $_SERV
         // Search for the mail address
         $result = ldap_search($link, USER_BASE, "mail=" . $_SERVER['QUERY_STRING']);
         $user = ldap_get_entries($link, $result);
+        $uid = $user[0]['uid'][0];
         if($user['count'] != 1) {
             // user not found or multiple result found
             exit;
diff --git a/root/usr/share/mozilla-mcd/thunderbird.php b/root/usr/share/mozilla-mcd/thunderbird.php
index 75b2ecc..d54470d 100644
--- a/root/usr/share/mozilla-mcd/thunderbird.php
+++ b/root/usr/share/mozilla-mcd/thunderbird.php
@@ -19,6 +19,7 @@ if(isset($_SERVER['QUERY_STRING']) && preg_match('/^.+@' . DOMAIN . '$/', $_SERV
         // Search for the mail address
         $result = ldap_search($link, USER_BASE, "mail=" . $_SERVER['QUERY_STRING']);
         $user = ldap_get_entries($link, $result);
+        $uid = $user[0]['uid'][0];
         if($user['count'] != 1) {
             // user not found or multiple result found
             exit;