diff --git a/src/backend/imap/imap.php b/src/backend/imap/imap.php
index 9d2afe8d..a4370b19 100644
--- a/src/backend/imap/imap.php
+++ b/src/backend/imap/imap.php
@@ -1112,7 +1112,7 @@ public function GetMessageList($folderid, $cutoffdate) {
                     $message["star"] = 0;
                 }
 
-                ZLog::Write(LOGLEVEL_WARN, sprintf("GetMessageList() isset draft=%s, overview draft=%s", isset($overview->draft), $overview->draft ));
+                ZLog::Write(LOGLEVEL_WARN, sprintf("GetMessageList() isset draft=%s, overview draft=%s, folderisdrafts=%s, folder->type=%s, SYNC_FOLDER_TYPE_DRAFTS=%s", isset($overview->draft), $overview->draft, ($folder->type === SYNC_FOLDER_TYPE_DRAFTS), $folder->type, SYNC_FOLDER_TYPE_DRAFTS ));
 
                 // 'draft'
                 if (isset($overview->draft) && $overview->draft) {