diff --git a/src/backend/commands/tablecmds.c b/src/backend/commands/tablecmds.c
index 7a30da5d0d..78e3001771 100644
--- a/src/backend/commands/tablecmds.c
+++ b/src/backend/commands/tablecmds.c
@@ -3477,7 +3477,7 @@ ATExecCmd(List **wqueue, AlteredTableInfo *tab, Relation rel,
 										 * VIEW */
 			address = ATExecAddColumn(wqueue, tab, rel, (ColumnDef *) cmd->def,
 									  false, false, false,
-									  false, lockmode);
+									  cmd->missing_ok, lockmode);
 			break;
 		case AT_AddColumnRecurse:
 			address = ATExecAddColumn(wqueue, tab, rel, (ColumnDef *) cmd->def,
diff --git a/src/test/regress/expected/alter_table.out b/src/test/regress/expected/alter_table.out
index b5c4e82410..78bc4ffde6 100644
--- a/src/test/regress/expected/alter_table.out
+++ b/src/test/regress/expected/alter_table.out
@@ -3153,6 +3153,9 @@ Table "public.test_add_column"
 ALTER TABLE test_add_column
 	ADD COLUMN c2 integer; -- fail because c2 already exists
 ERROR:  column "c2" of relation "test_add_column" already exists
+ALTER TABLE ONLY test_add_column
+	ADD COLUMN c2 integer; -- fail because c2 already exists
+ERROR:  column "c2" of relation "test_add_column" already exists
 \d test_add_column
 Table "public.test_add_column"
  Column |  Type   | Modifiers 
@@ -3163,6 +3166,9 @@ Table "public.test_add_column"
 ALTER TABLE test_add_column
 	ADD COLUMN IF NOT EXISTS c2 integer; -- skipping because c2 already exists
 NOTICE:  column "c2" of relation "test_add_column" already exists, skipping
+ALTER TABLE ONLY test_add_column
+	ADD COLUMN IF NOT EXISTS c2 integer; -- skipping because c2 already exists
+NOTICE:  column "c2" of relation "test_add_column" already exists, skipping
 \d test_add_column
 Table "public.test_add_column"
  Column |  Type   | Modifiers 
diff --git a/src/test/regress/sql/alter_table.sql b/src/test/regress/sql/alter_table.sql
index fdc300d6b7..f9f952eb87 100644
--- a/src/test/regress/sql/alter_table.sql
+++ b/src/test/regress/sql/alter_table.sql
@@ -1970,9 +1970,13 @@ ALTER TABLE test_add_column
 \d test_add_column
 ALTER TABLE test_add_column
 	ADD COLUMN c2 integer; -- fail because c2 already exists
+ALTER TABLE ONLY test_add_column
+	ADD COLUMN c2 integer; -- fail because c2 already exists
 \d test_add_column
 ALTER TABLE test_add_column
 	ADD COLUMN IF NOT EXISTS c2 integer; -- skipping because c2 already exists
+ALTER TABLE ONLY test_add_column
+	ADD COLUMN IF NOT EXISTS c2 integer; -- skipping because c2 already exists
 \d test_add_column
 ALTER TABLE test_add_column
 	ADD COLUMN c2 integer, -- fail because c2 already exists