diff --git a/src/test/regress/expected/typed_table.out b/src/test/regress/expected/typed_table.out
index 885f085e154..2badd8e1498 100644
--- a/src/test/regress/expected/typed_table.out
+++ b/src/test/regress/expected/typed_table.out
@@ -41,8 +41,10 @@ ERROR:  cannot alter column type of typed table
 LINE 1: ALTER TABLE persons ALTER COLUMN name TYPE varchar;
                                          ^
 CREATE TABLE stuff (id int);
-ALTER TABLE persons INHERIT stuff;
+ALTER TABLE persons INHERIT stuff; -- error
 ERROR:  cannot change inheritance of typed table
+ALTER TABLE persons NO INHERIT stuff; -- error
+ERROR:  relation "stuff" is not a parent of relation "persons"
 CREATE TABLE personsx OF person_type (myname WITH OPTIONS NOT NULL); -- error
 ERROR:  column "myname" does not exist
 CREATE TABLE persons2 OF person_type (
diff --git a/src/test/regress/sql/typed_table.sql b/src/test/regress/sql/typed_table.sql
index 57ce12782b0..d0ea968e71f 100644
--- a/src/test/regress/sql/typed_table.sql
+++ b/src/test/regress/sql/typed_table.sql
@@ -20,7 +20,8 @@ ALTER TABLE persons DROP COLUMN name;
 ALTER TABLE persons RENAME COLUMN id TO num;
 ALTER TABLE persons ALTER COLUMN name TYPE varchar;
 CREATE TABLE stuff (id int);
-ALTER TABLE persons INHERIT stuff;
+ALTER TABLE persons INHERIT stuff; -- error
+ALTER TABLE persons NO INHERIT stuff; -- error
 
 CREATE TABLE personsx OF person_type (myname WITH OPTIONS NOT NULL); -- error