diff --git a/src/bin/pg_basebackup/t/010_pg_basebackup.pl b/src/bin/pg_basebackup/t/010_pg_basebackup.pl
index 95a6bd6778..a827be5e59 100644
--- a/src/bin/pg_basebackup/t/010_pg_basebackup.pl
+++ b/src/bin/pg_basebackup/t/010_pg_basebackup.pl
@@ -516,7 +516,7 @@ $node->command_ok(
 	[ @pg_basebackup_defs, '--target', 'blackhole', '-X', 'none' ],
 	'backup target blackhole');
 $node->command_ok(
-	[ @pg_basebackup_defs, '--target', "server:$tempdir/backuponserver", '-X', 'none' ],
+	[ @pg_basebackup_defs, '--target', "server:$real_tempdir/backuponserver", '-X', 'none' ],
 	'backup target server');
 ok(-f "$tempdir/backuponserver/base.tar", 'backup tar was created');
 rmtree("$tempdir/backuponserver");