diff --git a/apps/search_indexes/views.py b/apps/search_indexes/views.py
index ed83cf5d..9d8d680b 100644
--- a/apps/search_indexes/views.py
+++ b/apps/search_indexes/views.py
@@ -122,10 +122,16 @@ class EstablishmentDocumentViewSet(BaseDocumentViewSet):
             'field': 'establishment_subtypes.id'
         },
         'works_noon': {
-            'field': 'works_noon'
+            'field': 'works_noon',
+            'lookups': [
+                constants.LOOKUP_QUERY_IN,
+            ],
         },
         'works_afternoon': {
-            'field': 'works_afternoon'
+            'field': 'works_afternoon',
+            'lookups': [
+                constants.LOOKUP_QUERY_IN,
+            ],
         },
     }