diff --git a/src/bin/pg_dump/pg_restore.c b/src/bin/pg_dump/pg_restore.c
index f6c835be0d1..98f4be64efa 100644
--- a/src/bin/pg_dump/pg_restore.c
+++ b/src/bin/pg_dump/pg_restore.c
@@ -313,6 +313,22 @@ main(int argc, char **argv)
 		opts->useDB = 1;
 	}
 
+	if (opts->number_of_jobs <= 0)
+	{
+		fprintf(stderr, _("%s: invalid number of parallel jobs\n"), progname);
+		exit(1);
+	}
+
+	/* See comments in pg_dump.c */
+#ifdef WIN32
+	if (opts->number_of_jobs > MAXIMUM_WAIT_OBJECTS)
+	{
+		fprintf(stderr, _("%s: maximum number of parallel jobs is %d\n"),
+				progname, MAXIMUM_WAIT_OBJECTS);
+		exit(1);
+	}
+#endif
+
 	/* Can't do single-txn mode with multiple connections */
 	if (opts->single_txn && opts->number_of_jobs > 1)
 	{