diff --git a/tests/congruence_tests/test_query.py b/tests/congruence_tests/test_query.py
index 4e63e557..b09c8743 100644
--- a/tests/congruence_tests/test_query.py
+++ b/tests/congruence_tests/test_query.py
@@ -1657,6 +1657,31 @@ def test_query_group():
     init_client(local_client, secondary_collection_points, SECONDARY_COLLECTION_NAME)
     init_client(http_client, secondary_collection_points, SECONDARY_COLLECTION_NAME)
 
+    http_client.create_payload_index(
+        COLLECTION_NAME, field_name="id", field_schema=models.PayloadSchemaType.INTEGER
+    )
+    http_client.create_payload_index(
+        COLLECTION_NAME, field_name="rand_digit", field_schema=models.PayloadSchemaType.INTEGER
+    )
+    http_client.create_payload_index(
+        COLLECTION_NAME, field_name="two_words", field_schema=models.PayloadSchemaType.KEYWORD
+    )
+    http_client.create_payload_index(
+        COLLECTION_NAME,
+        field_name="city.name",
+        field_schema=models.PayloadSchemaType.KEYWORD,
+    )
+    http_client.create_payload_index(
+        COLLECTION_NAME,
+        field_name="maybe",
+        field_schema=models.PayloadSchemaType.KEYWORD,
+    )
+    http_client.create_payload_index(
+        COLLECTION_NAME,
+        field_name="maybe_null",
+        field_schema=models.PayloadSchemaType.KEYWORD,
+    )
+
     searcher.group_size = 5
     searcher.limit = 3
     for key in group_by_keys():
@@ -1683,6 +1708,7 @@ def test_query_group():
         )
 
     searcher.group_by = "city.name"
+
     for i in range(100):
         query_filter = one_random_filter_please()
         try: