diff --git a/Neos.ContentRepository/Classes/Domain/Service/ImportExport/NodeImportService.php b/Neos.ContentRepository/Classes/Domain/Service/ImportExport/NodeImportService.php
index 45e4ecc39fc..a5183e6aa8c 100644
--- a/Neos.ContentRepository/Classes/Domain/Service/ImportExport/NodeImportService.php
+++ b/Neos.ContentRepository/Classes/Domain/Service/ImportExport/NodeImportService.php
@@ -321,7 +321,7 @@ protected function parseElement(\XMLReader $xmlReader)
             case 'lastModificationDateTime':
             case 'lastPublicationDateTime':
                 $stringValue = trim($xmlReader->readString());
-                $dateValue = $this->propertyMapper->convert($stringValue, 'DateTime', $this->propertyMappingConfiguration);
+                $dateValue = $this->propertyMapper->convert($stringValue, 'DateTimeImmutable', $this->propertyMappingConfiguration);
                 $this->nodeDataStack[count($this->nodeDataStack) - 1][$elementName] = $dateValue;
                 break;
             default: