diff --git a/src/test/regress/sql/gist.sql b/src/test/regress/sql/gist.sql
index 6f1fc65..a42d3ee 100644
*** a/src/test/regress/sql/gist.sql
--- b/src/test/regress/sql/gist.sql
*************** select p from gist_tbl order by circle(p
*** 170,175 ****
--- 170,180 ----
  select p from gist_tbl order by circle(p,1) <-> point(0,0) limit 1;
  
  -- Force an index build using buffering.
+ insert into gist_tbl
+ select box(point(0.05*i, 0.05*i), point(0.05*i, 0.05*i)),
+        point(0.05*i, 0.05*i),
+        circle(point(0.05*i, 0.05*i), 1.0)
+ from generate_series(10001,30000) as i;
  create index gist_tbl_box_index_forcing_buffering on gist_tbl using gist (p)
    with (buffering=on, fillfactor=50);