diff --git a/src/test/regress/expected/gist.out b/src/test/regress/expected/gist.out
index 1c32612d5bc43f3e9581ff00c5756b3adc5e9bfc..c7181b0397ec4688a416b40eb0d7233f8632c552 100644
--- a/src/test/regress/expected/gist.out
+++ b/src/test/regress/expected/gist.out
@@ -61,16 +61,16 @@ select p from gist_tbl where p <@ box(point(0,0), point(0.5, 0.5));
 -- Also test an index-only knn-search
 explain (costs off)
 select p from gist_tbl where p <@ box(point(0,0), point(0.5, 0.5))
-order by p <-> point(0.2, 0.2);
+order by p <-> point(0.201, 0.201);
                        QUERY PLAN                       
 --------------------------------------------------------
  Index Only Scan using gist_tbl_point_index on gist_tbl
    Index Cond: (p <@ '(0.5,0.5),(0,0)'::box)
-   Order By: (p <-> '(0.2,0.2)'::point)
+   Order By: (p <-> '(0.201,0.201)'::point)
 (3 rows)
 
 select p from gist_tbl where p <@ box(point(0,0), point(0.5, 0.5))
-order by p <-> point(0.2, 0.2);
+order by p <-> point(0.201, 0.201);
       p      
 -------------
  (0.2,0.2)
@@ -80,8 +80,8 @@ order by p <-> point(0.2, 0.2);
  (0.1,0.1)
  (0.35,0.35)
  (0.05,0.05)
- (0,0)
  (0.4,0.4)
+ (0,0)
  (0.45,0.45)
  (0.5,0.5)
 (11 rows)
@@ -89,23 +89,23 @@ order by p <-> point(0.2, 0.2);
 -- Check commuted case as well
 explain (costs off)
 select p from gist_tbl where p <@ box(point(0,0), point(0.5, 0.5))
-order by point(0.1, 0.1) <-> p;
+order by point(0.101, 0.101) <-> p;
                        QUERY PLAN                       
 --------------------------------------------------------
  Index Only Scan using gist_tbl_point_index on gist_tbl
    Index Cond: (p <@ '(0.5,0.5),(0,0)'::box)
-   Order By: (p <-> '(0.1,0.1)'::point)
+   Order By: (p <-> '(0.101,0.101)'::point)
 (3 rows)
 
 select p from gist_tbl where p <@ box(point(0,0), point(0.5, 0.5))
-order by point(0.1, 0.1) <-> p;
+order by point(0.101, 0.101) <-> p;
       p      
 -------------
  (0.1,0.1)
  (0.15,0.15)
  (0.05,0.05)
- (0,0)
  (0.2,0.2)
+ (0,0)
  (0.25,0.25)
  (0.3,0.3)
  (0.35,0.35)
diff --git a/src/test/regress/sql/gist.sql b/src/test/regress/sql/gist.sql
index 7aa688ef42120bfdaa4c7058bdc06bf3b079b801..9d4ff1e97e970c7b2a2558014c7765dbfaa47d94 100644
--- a/src/test/regress/sql/gist.sql
+++ b/src/test/regress/sql/gist.sql
@@ -56,18 +56,18 @@ select p from gist_tbl where p <@ box(point(0,0), point(0.5, 0.5));
 -- Also test an index-only knn-search
 explain (costs off)
 select p from gist_tbl where p <@ box(point(0,0), point(0.5, 0.5))
-order by p <-> point(0.2, 0.2);
+order by p <-> point(0.201, 0.201);
 
 select p from gist_tbl where p <@ box(point(0,0), point(0.5, 0.5))
-order by p <-> point(0.2, 0.2);
+order by p <-> point(0.201, 0.201);
 
 -- Check commuted case as well
 explain (costs off)
 select p from gist_tbl where p <@ box(point(0,0), point(0.5, 0.5))
-order by point(0.1, 0.1) <-> p;
+order by point(0.101, 0.101) <-> p;
 
 select p from gist_tbl where p <@ box(point(0,0), point(0.5, 0.5))
-order by point(0.1, 0.1) <-> p;
+order by point(0.101, 0.101) <-> p;
 
 drop index gist_tbl_point_index;