diff --git a/google/cloud/bigquery/job/query.py b/google/cloud/bigquery/job/query.py
index ca2448eaa..58ad52fc8 100644
--- a/google/cloud/bigquery/job/query.py
+++ b/google/cloud/bigquery/job/query.py
@@ -1542,6 +1542,15 @@ def result(  # type: ignore  # (incompatible with supertype)
         if page_size is None and max_results is not None and start_index is None:
             page_size = max_results
 
+        # The api is insensitive to start_index when page_size is set. See
+        # github issue #1569. This is a patch to produce the exepected behavior.
+        if start_index is not None and page_size is not None:
+            if max_results is not None:
+                max_results = min(max_results, page_size)
+            else:
+                max_results = page_size
+            page_size = None
+
         # When timeout has default sentinel value ``object()``, do not pass
         # anything to invoke default timeouts in subsequent calls.
         done_kwargs: Dict[str, Union[_helpers.TimeoutType, object]] = {}