diff --git a/zmldapsync/zmldapsync.pl b/zmldapsync/zmldapsync.pl
index 5314683..9df69ff 100644
--- a/zmldapsync/zmldapsync.pl
+++ b/zmldapsync/zmldapsync.pl
@@ -807,6 +807,9 @@ sub build_domain_attrs {
   } else {
     $attrs .= " zimbraAuthLdapStartTlsEnabled FALSE";
   }
+  if ( -e '/opt/zimbra/lib/ext/adpassword/ADPassword.jar' ) {
+    $attrs .= " zimbraPasswordChangeListener ADPassword";
+  }
   return $attrs;
 }