diff --git a/src/bin/pg_test_fsync/pg_test_fsync.c b/src/bin/pg_test_fsync/pg_test_fsync.c
index f56e494f70..f109aa5717 100644
--- a/src/bin/pg_test_fsync/pg_test_fsync.c
+++ b/src/bin/pg_test_fsync/pg_test_fsync.c
@@ -602,8 +602,8 @@ signal_cleanup(SIGNAL_ARGS)
 	if (needs_unlink)
 		unlink(filename);
 	/* Finish incomplete line on stdout */
-	puts("");
-	exit(1);
+	write(STDOUT_FILENO, "\n", 1);
+	_exit(1);
 }
 
 #ifdef HAVE_FSYNC_WRITETHROUGH