diff --git a/src/backend/commands/indexcmds.c b/src/backend/commands/indexcmds.c
index ed6136c..7fec099 100644
--- a/src/backend/commands/indexcmds.c
+++ b/src/backend/commands/indexcmds.c
@@ -291,8 +291,8 @@ CheckIndexCompatible(Oid oldId,
  * 'indexRelationId': normally InvalidOid, but during bootstrap can be
  *		nonzero to specify a preselected OID for the index.
  * 'is_alter_table': this is due to an ALTER rather than a CREATE operation.
- * 'check_rights': check for CREATE rights in the namespace.  (This should
- *		be true except when ALTER is deleting/recreating an index.)
+ * 'check_rights': check for CREATE rights in namespace and tablespace.  (This
+ *		should be true except when ALTER is deleting/recreating an index.)
  * 'skip_build': make the catalog entries but leave the index file empty;
  *		it will be filled later.
  * 'quiet': suppress the NOTICE chatter ordinarily provided for constraints.
@@ -433,8 +433,9 @@ DefineIndex(Oid relationId,
 		/* note InvalidOid is OK in this case */
 	}
 
-	/* Check permissions except when using database's default */
-	if (OidIsValid(tablespaceId) && tablespaceId != MyDatabaseTableSpace)
+	/* Check tablespace permissions */
+	if (check_rights &&
+		OidIsValid(tablespaceId) && tablespaceId != MyDatabaseTableSpace)
 	{
 		AclResult	aclresult;
 
diff --git a/src/test/regress/input/tablespace.source b/src/test/regress/input/tablespace.source
index 743c4b9..03a62bd 100644
--- a/src/test/regress/input/tablespace.source
+++ b/src/test/regress/input/tablespace.source
@@ -109,11 +109,18 @@ DROP TABLESPACE regress_tblspace;
 
 CREATE ROLE regress_tablespace_user1 login;
 CREATE ROLE regress_tablespace_user2 login;
+GRANT USAGE ON SCHEMA testschema TO regress_tablespace_user2;
 
 ALTER TABLESPACE regress_tblspace OWNER TO regress_tablespace_user1;
 
+CREATE TABLE testschema.tablespace_acl (c int);
+-- new owner lacks permission to create this index from scratch
+CREATE INDEX k ON testschema.tablespace_acl (c) TABLESPACE regress_tblspace;
+ALTER TABLE testschema.tablespace_acl OWNER TO regress_tablespace_user2;
+
 SET SESSION ROLE regress_tablespace_user2;
 CREATE TABLE tablespace_table (i int) TABLESPACE regress_tblspace; -- fail
+ALTER TABLE testschema.tablespace_acl ALTER c TYPE bigint;
 RESET ROLE;
 
 ALTER TABLESPACE regress_tblspace RENAME TO regress_tblspace_renamed;
diff --git a/src/test/regress/output/tablespace.source b/src/test/regress/output/tablespace.source
index 31f2ac0..aaedf5f 100644
--- a/src/test/regress/output/tablespace.source
+++ b/src/test/regress/output/tablespace.source
@@ -221,10 +221,16 @@ DROP TABLESPACE regress_tblspace;
 ERROR:  tablespace "regress_tblspace" is not empty
 CREATE ROLE regress_tablespace_user1 login;
 CREATE ROLE regress_tablespace_user2 login;
+GRANT USAGE ON SCHEMA testschema TO regress_tablespace_user2;
 ALTER TABLESPACE regress_tblspace OWNER TO regress_tablespace_user1;
+CREATE TABLE testschema.tablespace_acl (c int);
+-- new owner lacks permission to create this index from scratch
+CREATE INDEX k ON testschema.tablespace_acl (c) TABLESPACE regress_tblspace;
+ALTER TABLE testschema.tablespace_acl OWNER TO regress_tablespace_user2;
 SET SESSION ROLE regress_tablespace_user2;
 CREATE TABLE tablespace_table (i int) TABLESPACE regress_tblspace; -- fail
 ERROR:  permission denied for tablespace regress_tblspace
+ALTER TABLE testschema.tablespace_acl ALTER c TYPE bigint;
 RESET ROLE;
 ALTER TABLESPACE regress_tblspace RENAME TO regress_tblspace_renamed;
 ALTER TABLE ALL IN TABLESPACE regress_tblspace_renamed SET TABLESPACE pg_default;
@@ -235,10 +241,11 @@ NOTICE:  no matching relations in tablespace "regress_tblspace_renamed" found
 -- Should succeed
 DROP TABLESPACE regress_tblspace_renamed;
 DROP SCHEMA testschema CASCADE;
-NOTICE:  drop cascades to 4 other objects
+NOTICE:  drop cascades to 5 other objects
 DETAIL:  drop cascades to table testschema.foo
 drop cascades to table testschema.asselect
 drop cascades to table testschema.asexecute
 drop cascades to table testschema.atable
+drop cascades to table testschema.tablespace_acl
 DROP ROLE regress_tablespace_user1;
 DROP ROLE regress_tablespace_user2;