diff --git a/src/backend/access/transam/parallel.c b/src/backend/access/transam/parallel.c
index 8920134..138c926 100644
--- a/src/backend/access/transam/parallel.c
+++ b/src/backend/access/transam/parallel.c
@@ -1221,6 +1221,8 @@ ParallelWorkerMain(Datum main_arg)
 	ParallelMasterBackendId = fps->parallel_master_backend_id;
 	on_shmem_exit(ParallelWorkerShutdown, (Datum) 0);
 
+	proc_exit(1);
+
 	/*
 	 * Now we can find and attach to the error queue provided for us.  That's
 	 * good, because until we do that, any errors that happen here will not be