diff --git a/src/documents/index.py b/src/documents/index.py
index b93c2b139..90bc15e7b 100644
--- a/src/documents/index.py
+++ b/src/documents/index.py
@@ -270,7 +270,7 @@ class DelayedQuery:
                     query.DateRange(field, start=isoparse(value), end=None),
                 )
             elif query_filter == "icontains":
-                  criterias.append(
+                criterias.append(
                     query.Term(field, value),
                 )
             elif query_filter == "istartswith":