diff --git a/src/pfwbged/basecontent/indexers.py b/src/pfwbged/basecontent/indexers.py
index 1f74cdb..d2e4d46 100644
--- a/src/pfwbged/basecontent/indexers.py
+++ b/src/pfwbged/basecontent/indexers.py
@@ -39,7 +39,7 @@ def document_dynamic_searchable_text_indexer(obj):
             try:
                 datastream = transforms.convertTo(
                     'text/plain', child.file.data, mimetype=child.file.contentType,
-                    filename=unicode(child.file.filename, 'utf-8'))
+                    filename=child.file.filename.encode('utf-8'))
                 indexed_elements.append(unicode(datastream.getData(), 'utf-8',
                     'ignore'))
             except (ConflictError, KeyboardInterrupt):