diff --git a/Classes/Preview/ContentElementPreviewRenderer.php b/Classes/Preview/ContentElementPreviewRenderer.php
index c5efcec..82ff50d 100644
--- a/Classes/Preview/ContentElementPreviewRenderer.php
+++ b/Classes/Preview/ContentElementPreviewRenderer.php
@@ -41,8 +41,8 @@ public function renderPageModulePreviewContent(GridColumnItem $item): string
 
         $record = $item->getRecord();
 
-        $flexForm = GeneralUtility::xml2array($record['pi_flexform']);
-        $tableId = (int) $this->getValueFromFlexform($flexForm, 'table');
+        $flexForm = GeneralUtility::xml2array($record['pi_flexform'] ?? '');
+        $tableId = \is_array($flexForm) ? ((int) $this->getValueFromFlexform($flexForm, 'table')) : 0;
 
         try {
             $table = $this->tableRepository->findByUid($tableId);
diff --git a/phpstan.baseline.neon b/phpstan.baseline.neon
index 01302d6..f01f53b 100644
--- a/phpstan.baseline.neon
+++ b/phpstan.baseline.neon
@@ -35,11 +35,6 @@ parameters:
 			count: 1
 			path: Classes/DataProcessing/TableProcessor.php
 
-		-
-			message: "#^Parameter \\#1 \\$flexForm of method JobRouter\\\\AddOn\\\\Typo3Data\\\\Preview\\\\ContentElementPreviewRenderer\\:\\:getValueFromFlexform\\(\\) expects array\\<string, array\\<string, mixed\\>\\>, array\\|string given\\.$#"
-			count: 1
-			path: Classes/Preview/ContentElementPreviewRenderer.php
-
 		-
 			message: "#^Method JobRouter\\\\AddOn\\\\Typo3Data\\\\Synchronisation\\\\CustomTableSynchroniser\\:\\:storeDatasets\\(\\) has parameter \\$customTableColumns with no value type specified in iterable type array\\.$#"
 			count: 1