core/modules/file/src/Plugin/Field/FieldType/FileUriItem.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/modules/file/src/Plugin/Field/FieldType/FileUriItem.php b/core/modules/file/src/Plugin/Field/FieldType/FileUriItem.php
index 4f04029..33bc15e 100644
--- a/core/modules/file/src/Plugin/Field/FieldType/FileUriItem.php
+++ b/core/modules/file/src/Plugin/Field/FieldType/FileUriItem.php
@@ -27,7 +27,7 @@ class FileUriItem extends UriItem {
   public static function propertyDefinitions(FieldStorageDefinitionInterface $field_definition) {
     $properties = parent::propertyDefinitions($field_definition);
 
-    $properties['url'] = DataDefinition::create('uri')
+    $properties['url'] = DataDefinition::create('string')
       ->setLabel(t('Root-relative file URL'))
       ->setComputed(TRUE)
       ->setInternal(FALSE)