diff --git a/dictionaries/CallMap_81_delta.php b/dictionaries/CallMap_81_delta.php
index 2a1dffdc1..d86cc48cf 100644
--- a/dictionaries/CallMap_81_delta.php
+++ b/dictionaries/CallMap_81_delta.php
@@ -450,8 +450,8 @@ return [
         'new' => ['int|false', 'imap'=>'IMAP\Connection', 'message_num'=>'int'],
     ],
     'imap_undelete' => [
-        'old' => ['bool', 'imap'=>'resource', 'message_num'=>'int', 'flags='=>'int'],
-        'new' => ['bool', 'imap'=>'IMAP\Connection', 'message_num'=>'int', 'flags='=>'int'],
+        'old' => ['bool', 'imap'=>'resource', 'message_nums'=>'string', 'flags='=>'int'],
+        'new' => ['bool', 'imap'=>'IMAP\Connection', 'message_nums'=>'string', 'flags='=>'int'],
     ],
     'imap_unsubscribe' => [
         'old' => ['bool', 'imap'=>'resource', 'mailbox'=>'string'],