diff --git a/CHANGELOG b/CHANGELOG
index f032e3185..9b580a331 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -3,6 +3,7 @@ CHANGELOG Roundcube Webmail
 
 - Fix listing the same attachment multiple times on forwarded messages
 - Fix compatibility with MySQL 8 - error on 'system' table use
+- Managesieve: Fix bug where show_real_foldernames setting wasn't respected (#6422)
 
 RELEASE 1.4-beta
 ----------------
diff --git a/plugins/managesieve/Changelog b/plugins/managesieve/Changelog
index 7f5f37ea8..266771c69 100644
--- a/plugins/managesieve/Changelog
+++ b/plugins/managesieve/Changelog
@@ -1,3 +1,5 @@
+- Fix bug where show_real_foldernames setting wasn't respected (#6422)
+
 * version 9.1 [2018-05-19]
 -----------------------------------------------------------
 - Added GSSAPI support (#5779)
diff --git a/plugins/managesieve/lib/Roundcube/rcube_sieve_engine.php b/plugins/managesieve/lib/Roundcube/rcube_sieve_engine.php
index 599e6e77c..8ef58f65d 100644
--- a/plugins/managesieve/lib/Roundcube/rcube_sieve_engine.php
+++ b/plugins/managesieve/lib/Roundcube/rcube_sieve_engine.php
@@ -2405,7 +2405,6 @@ class rcube_sieve_engine
         }
 
         $select = $this->rc->folder_selector(array(
-            'realnames'  => false,
             'maxlength'  => 100,
             'id'         => 'action_mailbox' . $id,
             'name'       => "_action_mailbox[$id]",