diff --git a/contrib/postgres_fdw/sql/postgres_fdw.sql b/contrib/postgres_fdw/sql/postgres_fdw.sql
index 78379bdea5b..4dbb80c3ee8 100644
--- a/contrib/postgres_fdw/sql/postgres_fdw.sql
+++ b/contrib/postgres_fdw/sql/postgres_fdw.sql
@@ -3262,3 +3262,16 @@ DROP TABLE join_tbl;
 
 ALTER SERVER loopback OPTIONS (DROP async_capable);
 ALTER SERVER loopback2 OPTIONS (DROP async_capable);
+
+CREATE TABLE base_tbl (a int, b int);
+CREATE FOREIGN TABLE remote_tbl (a int, b int)
+  SERVER loopback OPTIONS (table_name 'base_tbl');
+
+insert into remote_tbl select generate_series(1,100), generate_series(1,100);
+
+ANALYZE base_tbl;
+ANALYZE remote_tbl;
+
+EXPLAIN (VERBOSE, COSTS OFF, SUMMARY OFF, TIMING OFF)
+UPDATE remote_tbl d SET a= CASE WHEN current_timestamp> '2012-02-02'::timestamp THEN 5 ELSE 6 END FROM remote_tbl AS t (a, b) WHERE d.a = (t.a);
+UPDATE remote_tbl d SET a= CASE WHEN current_timestamp> '2012-02-02'::timestamp THEN 5 ELSE 6 END FROM remote_tbl AS t (a, b) WHERE d.a = (t.a);