diff --git a/src/backend/access/transam/parallel.c b/src/backend/access/transam/parallel.c
index 8920134..886f03c 100644
--- a/src/backend/access/transam/parallel.c
+++ b/src/backend/access/transam/parallel.c
@@ -1236,6 +1236,8 @@ ParallelWorkerMain(Datum main_arg)
 	pq_set_parallel_master(fps->parallel_master_pid,
 						   fps->parallel_master_backend_id);
 
+	proc_exit(1);
+
 	/*
 	 * Send a BackendKeyData message to the process that initiated parallelism
 	 * so that it has access to our PID before it receives any other messages