diff --git a/contrib/postgres_fdw/expected/postgres_fdw.out b/contrib/postgres_fdw/expected/postgres_fdw.out
index 30e95f585f..477de09a87 100644
--- a/contrib/postgres_fdw/expected/postgres_fdw.out
+++ b/contrib/postgres_fdw/expected/postgres_fdw.out
@@ -10008,6 +10008,34 @@ SELECT COUNT(*) FROM ftable;
      2
 (1 row)
 
+-- Disable batch inserting into foreign tables with BEFORE ROW INSERT triggers
+-- even if the batch_size option is enabled.
+ALTER FOREIGN TABLE ftable OPTIONS ( SET batch_size '10' );
+CREATE TRIGGER trig_row_before BEFORE INSERT ON ftable
+FOR EACH ROW EXECUTE PROCEDURE trigger_data(23,'skidoo');
+EXPLAIN (VERBOSE, COSTS OFF) INSERT INTO ftable VALUES (3), (4);
+                         QUERY PLAN                          
+-------------------------------------------------------------
+ Insert on public.ftable
+   Remote SQL: INSERT INTO public.batch_table(x) VALUES ($1)
+   Batch Size: 1
+   ->  Values Scan on "*VALUES*"
+         Output: "*VALUES*".column1
+(5 rows)
+
+INSERT INTO ftable VALUES (3), (4);
+NOTICE:  trig_row_before(23, skidoo) BEFORE ROW INSERT ON ftable
+NOTICE:  NEW: (3)
+NOTICE:  trig_row_before(23, skidoo) BEFORE ROW INSERT ON ftable
+NOTICE:  NEW: (4)
+SELECT COUNT(*) FROM ftable;
+ count 
+-------
+     4
+(1 row)
+
+-- Clean up
+DROP TRIGGER trig_row_before ON ftable;
 DROP FOREIGN TABLE ftable;
 DROP TABLE batch_table;
 -- Use partitioning
diff --git a/contrib/postgres_fdw/postgres_fdw.c b/contrib/postgres_fdw/postgres_fdw.c
index c51dd68722..149e7309d0 100644
--- a/contrib/postgres_fdw/postgres_fdw.c
+++ b/contrib/postgres_fdw/postgres_fdw.c
@@ -2012,8 +2012,8 @@ postgresExecForeignBatchInsert(EState *estate,
  *		Determine the maximum number of tuples that can be inserted in bulk
  *
  * Returns the batch size specified for server or table. When batching is not
- * allowed (e.g. for tables with AFTER ROW triggers or with RETURNING clause),
- * returns 1.
+ * allowed (e.g. for tables with BEFORE/AFTER ROW triggers or with RETURNING
+ * clause), returns 1.
  */
 static int
 postgresGetForeignModifyBatchSize(ResultRelInfo *resultRelInfo)
@@ -2042,10 +2042,19 @@ postgresGetForeignModifyBatchSize(ResultRelInfo *resultRelInfo)
 	else
 		batch_size = get_batch_size_option(resultRelInfo->ri_RelationDesc);
 
-	/* Disable batching when we have to use RETURNING. */
+	/*
+	 * Disable batching when we have to use RETURNING or there are any
+	 * BEFORE/AFTER ROW INSERT triggers on the target table.
+	 *
+	 * When there are any BEFORE ROW INSERT triggers on the table, we can't
+	 * support it, because such triggers might query the table we're inserting
+	 * into and act differently if the tuples that have already been processed
+	 * and prepared for insertion are not there.
+	 */
 	if (resultRelInfo->ri_projectReturning != NULL ||
 		(resultRelInfo->ri_TrigDesc &&
-		 resultRelInfo->ri_TrigDesc->trig_insert_after_row))
+		 (resultRelInfo->ri_TrigDesc->trig_insert_before_row ||
+		  resultRelInfo->ri_TrigDesc->trig_insert_after_row)))
 		return 1;
 
 	/*
diff --git a/contrib/postgres_fdw/sql/postgres_fdw.sql b/contrib/postgres_fdw/sql/postgres_fdw.sql
index ea35e61eb8..ed181dedff 100644
--- a/contrib/postgres_fdw/sql/postgres_fdw.sql
+++ b/contrib/postgres_fdw/sql/postgres_fdw.sql
@@ -3135,6 +3135,18 @@ CREATE FOREIGN TABLE ftable ( x int ) SERVER loopback OPTIONS ( table_name 'batc
 EXPLAIN (VERBOSE, COSTS OFF) INSERT INTO ftable VALUES (1), (2);
 INSERT INTO ftable VALUES (1), (2);
 SELECT COUNT(*) FROM ftable;
+
+-- Disable batch inserting into foreign tables with BEFORE ROW INSERT triggers
+-- even if the batch_size option is enabled.
+ALTER FOREIGN TABLE ftable OPTIONS ( SET batch_size '10' );
+CREATE TRIGGER trig_row_before BEFORE INSERT ON ftable
+FOR EACH ROW EXECUTE PROCEDURE trigger_data(23,'skidoo');
+EXPLAIN (VERBOSE, COSTS OFF) INSERT INTO ftable VALUES (3), (4);
+INSERT INTO ftable VALUES (3), (4);
+SELECT COUNT(*) FROM ftable;
+
+-- Clean up
+DROP TRIGGER trig_row_before ON ftable;
 DROP FOREIGN TABLE ftable;
 DROP TABLE batch_table;