diff --git a/plugins/kolab_activesync/kolab_activesync_ui.php b/plugins/kolab_activesync/kolab_activesync_ui.php
--- a/plugins/kolab_activesync/kolab_activesync_ui.php
+++ b/plugins/kolab_activesync/kolab_activesync_ui.php
@@ -185,7 +185,7 @@
 
         $names = array();
         foreach ($a_folders as $folder) {
-            $foldername = $origname = preg_replace('/^INBOX »\s+/', '', kolab_storage::object_prettyname($folder));
+            $foldername = $origname = kolab_storage::object_prettyname($folder);
 
             // find folder prefix to truncate (the same code as in kolab_addressbook plugin)
             for ($i = count($names)-1; $i >= 0; $i--) {
diff --git a/plugins/kolab_delegation/kolab_delegation.php b/plugins/kolab_delegation/kolab_delegation.php
--- a/plugins/kolab_delegation/kolab_delegation.php
+++ b/plugins/kolab_delegation/kolab_delegation.php
@@ -563,7 +563,7 @@
 
         $names = array();
         foreach ($a_folders as $folder) {
-            $foldername = $origname = preg_replace('/^INBOX »\s+/', '', kolab_storage::object_prettyname($folder));
+            $foldername = $origname = kolab_storage::object_prettyname($folder);
 
             // find folder prefix to truncate (the same code as in kolab_addressbook plugin)
             for ($i = count($names)-1; $i >= 0; $i--) {