diff --git a/typo3/sysext/backend/Classes/Utility/BackendUtility.php b/typo3/sysext/backend/Classes/Utility/BackendUtility.php
index 96077763296de6579f44987f5e3adc7b5b49ce71..f3b49d186a4575e4e8c8cb80d9aec9f6328159af 100644
--- a/typo3/sysext/backend/Classes/Utility/BackendUtility.php
+++ b/typo3/sysext/backend/Classes/Utility/BackendUtility.php
@@ -1148,7 +1148,7 @@ class BackendUtility
                     $label = self::getRecordPath((int)$row['mount_pid'], $perms_clause, 20);
                 } else {
                     $lRec = self::getRecordWSOL('pages', (int)$row['mount_pid'], 'title');
-                    $label = $lRec['title'] . ' (id=' . $row['mount_pid'] . ')';
+                    $label = ($lRec['title'] ?? '') . ' (id=' . $row['mount_pid'] . ')';
                 }
                 $parts[] = $lang->sL($GLOBALS['TCA']['pages']['columns']['mount_pid']['label']) . ' ' . $label;
                 if ($row['mount_pid_ol'] ?? 0) {