diff --git a/lib/Horde/Core/ActiveSync/Driver.php b/lib/Horde/Core/ActiveSync/Driver.php
index eecea8b1..0ec40b98 100644
--- a/lib/Horde/Core/ActiveSync/Driver.php
+++ b/lib/Horde/Core/ActiveSync/Driver.php
@@ -2291,7 +2291,7 @@ public function deleteMessage($folderid, array $ids, $instanceids = false)
                     $this->_logger->meta(
                         sprintf(
                             'calendar_delete: %s %s %s',
-                            print_r($deleteIds, true),
+                            is_array($deleteIds) ? implode(',', $deleteIds) : $deleteIds,
                             $folder_id,
                             $instanceid
                         )