diff --git a/src/backend/imap/imap.php b/src/backend/imap/imap.php
index c11af0a2..e18f1ba3 100644
--- a/src/backend/imap/imap.php
+++ b/src/backend/imap/imap.php
@@ -1680,7 +1680,7 @@ public function ChangeMessage($folderid, $id, $message, $contentparameters) {
             ZLog::Write(LOGLEVEL_WARN, sprintf("BackendIMAP->ChangeMessage saved: %s", $saved));
 
             if ($saved) {
-                $id = getRecentDraft();
+                $id = this->getRecentDraft();
 
                 ZLog::Write(LOGLEVEL_WARN, sprintf("BackendIMAP->ChangeMessage id: %s", $id));
             }