diff --git a/src/backend/commands/tablecmds.c b/src/backend/commands/tablecmds.c
index 1c2ebe1bf6..eb3c146f25 100644
--- a/src/backend/commands/tablecmds.c
+++ b/src/backend/commands/tablecmds.c
@@ -8041,6 +8041,12 @@ ATExecSetOptions(Relation rel, const char *colName, Node *options,
 	bool		repl_null[Natts_pg_attribute];
 	bool		repl_repl[Natts_pg_attribute];
 
+	if (rel->rd_rel->relkind == RELKIND_INDEX ||
+		rel->rd_rel->relkind == RELKIND_PARTITIONED_INDEX)
+		ereport(ERROR,
+				(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
+				 errmsg("cannot alter options for index column")));
+
 	attrelation = table_open(AttributeRelationId, RowExclusiveLock);
 
 	tuple = SearchSysCacheAttName(RelationGetRelid(rel), colName);
diff --git a/src/test/regress/expected/btree_index.out b/src/test/regress/expected/btree_index.out
index bc113a70b4..f80303ae3d 100644
--- a/src/test/regress/expected/btree_index.out
+++ b/src/test/regress/expected/btree_index.out
@@ -329,3 +329,7 @@ INSERT INTO delete_test_table SELECT i, 1, 2, 3 FROM generate_series(1,1000) i;
 -- Test unsupported btree opclass parameters
 create index on btree_tall_tbl (id int4_ops(foo=1));
 ERROR:  operator class int4_ops has no options
+create index on btree_tall_tbl (id);
+alter index btree_tall_tbl_id_idx alter column id set (n_distinct=100);
+ERROR:  cannot alter options for index column
+drop index btree_tall_tbl_id_idx;
diff --git a/src/test/regress/sql/btree_index.sql b/src/test/regress/sql/btree_index.sql
index c60312db2d..3519d80696 100644
--- a/src/test/regress/sql/btree_index.sql
+++ b/src/test/regress/sql/btree_index.sql
@@ -172,3 +172,7 @@ INSERT INTO delete_test_table SELECT i, 1, 2, 3 FROM generate_series(1,1000) i;
 
 -- Test unsupported btree opclass parameters
 create index on btree_tall_tbl (id int4_ops(foo=1));
+
+create index on btree_tall_tbl (id);
+alter index btree_tall_tbl_id_idx alter column id set (n_distinct=100);
+drop index btree_tall_tbl_id_idx;