2 files changed, 6 insertions, 0 deletions
diff --git a/CHANGELOG b/CHANGELOG
index f0e8830d6..2f8a627c2 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,6 +1,7 @@
 CHANGELOG Roundcube Webmail
 ===========================
 
+- Revert SORT=DISPLAY support, removed by mistake (#1488327)
 - Add lost translation label in de_DE (#1488315)
 - Fix drafts update issues when edited from preview pane (#1488314)
 - Fix wrong variable name in rcube_ldap.php (#1488302)
diff --git a/program/include/rcube_imap_generic.php b/program/include/rcube_imap_generic.php
index 94211210d..e390b2448 100644
--- a/program/include/rcube_imap_generic.php
+++ b/program/include/rcube_imap_generic.php
@@ -1557,6 +1557,11 @@ class rcube_imap_generic
         }
 
         if (!$this->select($mailbox)) {
+        }
+
+        // RFC 5957: SORT=DISPLAY
+        if (($field == 'FROM' || $field == 'TO') && $this->getCapability('SORT=DISPLAY')) {
+            $field = 'DISPLAY' . $field;
             return null;
         }