diff --git a/src/backend/utils/cache/relcache.c b/src/backend/utils/cache/relcache.c
index 29702d6eab..0ad59ef189 100644
--- a/src/backend/utils/cache/relcache.c
+++ b/src/backend/utils/cache/relcache.c
@@ -5060,7 +5060,7 @@ restart:
 		bool		isPK;		/* primary key */
 		bool		isIDKey;	/* replica identity index */
 
-		indexDesc = index_open(indexOid, AccessShareLock);
+		indexDesc = RelationIdGetRelation(indexOid);
 
 		/*
 		 * Extract index expressions and index predicate.  Note: Don't use
@@ -5134,7 +5134,7 @@ restart:
 		/* Collect all attributes in the index predicate, too */
 		pull_varattnos(indexPredicate, 1, &indexattrs);
 
-		index_close(indexDesc, AccessShareLock);
+		RelationClose(indexDesc);
 	}
 
 	/*
diff --git a/src/test/subscription/t/010_truncate.pl b/src/test/subscription/t/010_truncate.pl
index be2c0bdc35..cfcee2f1a7 100644
--- a/src/test/subscription/t/010_truncate.pl
+++ b/src/test/subscription/t/010_truncate.pl
@@ -3,7 +3,7 @@ use strict;
 use warnings;
 use PostgresNode;
 use TestLib;
-use Test::More tests => 9;
+use Test::More tests => 11;
 
 # setup
 
@@ -158,3 +158,28 @@ is($result, qq(0||), 'truncate of multiple tables some not published');
 $result = $node_subscriber->safe_psql('postgres',
 	"SELECT count(*), min(a), max(a) FROM tab2");
 is($result, qq(3|1|3), 'truncate of multiple tables some not published');
+
+# setup synchronous logical replication
+
+$node_publisher->safe_psql('postgres',
+	"ALTER SYSTEM SET synchronous_standby_names TO 'sub1'");
+$node_publisher->safe_psql('postgres', "SELECT pg_reload_conf()");
+
+# insert data to truncate
+
+$node_publisher->safe_psql('postgres',
+	"INSERT INTO tab1 VALUES (1), (2), (3)");
+
+$node_publisher->wait_for_catchup('sub1');
+
+$result = $node_subscriber->safe_psql('postgres',
+	"SELECT count(*), min(a), max(a) FROM tab1");
+is($result, qq(3|1|3), 'check synchronous logical replication');
+
+$node_publisher->safe_psql('postgres', "TRUNCATE tab1");
+
+$node_publisher->wait_for_catchup('sub1');
+
+$result = $node_subscriber->safe_psql('postgres',
+	"SELECT count(*), min(a), max(a) FROM tab1");
+is($result, qq(0||), 'truncate replicated in synchronous logical replication');