diff --git a/lib/FieldMapper/ContentFieldMapper/BlockDocumentsBaseContentFields.php b/lib/FieldMapper/ContentFieldMapper/BlockDocumentsBaseContentFields.php
index f649ec76..e57a243a 100644
--- a/lib/FieldMapper/ContentFieldMapper/BlockDocumentsBaseContentFields.php
+++ b/lib/FieldMapper/ContentFieldMapper/BlockDocumentsBaseContentFields.php
@@ -166,7 +166,7 @@ public function mapFields(Content $content)
             new Field(
                 'content_section_identifier',
                 $section->identifier,
-                new FieldType\IdentifierField()
+                new FieldType\IdentifierField(['raw' => true])
             ),
             new Field(
                 'content_section_name',