diff --git a/plugins/managesieve/lib/Roundcube/rcube_sieve_forward.php b/plugins/managesieve/lib/Roundcube/rcube_sieve_forward.php
index 8d07c80be..a71964cbf 100644
--- a/plugins/managesieve/lib/Roundcube/rcube_sieve_forward.php
+++ b/plugins/managesieve/lib/Roundcube/rcube_sieve_forward.php
@@ -205,9 +205,14 @@ class rcube_sieve_forward extends rcube_sieve_engine
         $status = rcube_utils::get_input_value('forward_status', rcube_utils::INPUT_POST);
         $action = rcube_utils::get_input_value('forward_action', rcube_utils::INPUT_POST);
         $target = rcube_utils::get_input_value('action_target', rcube_utils::INPUT_POST, true);
+        $target_domain = rcube_utils::get_input_value('action_domain', rcube_utils::INPUT_POST);
 
         $date_extension = in_array('date', $this->exts);
 
+        if ($target_domain) {
+            $target .= '@' . $target_domain;
+        }
+
         if (empty($target) || !rcube_utils::check_email($target)) {
             $error = 'noemailwarning';
         }