diff --git a/src/documents/index.py b/src/documents/index.py
index 34b2a56c3..00e04bdbd 100644
--- a/src/documents/index.py
+++ b/src/documents/index.py
@@ -388,6 +388,7 @@ class DelayedFullTextQuery(DelayedQuery):
                 "type",
                 "notes",
                 "custom_fields",
+                "original_filename",
             ],
             self.searcher.ixreader.schema,
         )