diff --git a/src/test/regress/expected/alter_table.out b/src/test/regress/expected/alter_table.out
index e3aebc630d..e7aef8bf59 100644
--- a/src/test/regress/expected/alter_table.out
+++ b/src/test/regress/expected/alter_table.out
@@ -351,7 +351,8 @@ alter table atacc3 inherit atacc2;
 ERROR:  child table is missing column "test2"
 -- fail due to mismatched data type
 alter table atacc3 add test2 bool;
-alter table atacc3 add inherit atacc2;
+alter table atacc3 inherit atacc2;
+ERROR:  child table "atacc3" has different type for column "test2"
 alter table atacc3 drop test2;
 -- succeed
 alter table atacc3 add test2 int;
diff --git a/src/test/regress/sql/alter_table.sql b/src/test/regress/sql/alter_table.sql
index 46aacd1bef..60ce47c47d 100644
--- a/src/test/regress/sql/alter_table.sql
+++ b/src/test/regress/sql/alter_table.sql
@@ -373,7 +373,7 @@ alter table atacc3 rename test2 to testx;
 alter table atacc3 inherit atacc2;
 -- fail due to mismatched data type
 alter table atacc3 add test2 bool;
-alter table atacc3 add inherit atacc2;
+alter table atacc3 inherit atacc2;
 alter table atacc3 drop test2;
 -- succeed
 alter table atacc3 add test2 int;