lib/PublicInbox/TestCommon.pm | 1 +

diff --git a/lib/PublicInbox/TestCommon.pm b/lib/PublicInbox/TestCommon.pm
index 6bf4526a9f707d44d36ed0fcb8cb169c4e8aac89..dc360135569c762ea9cc1953e4aa8617d044d90c 100644
--- a/lib/PublicInbox/TestCommon.pm
+++ b/lib/PublicInbox/TestCommon.pm
@@ -372,6 +372,7 @@ 			$ENV{LISTEN_FDS} = $fds;
 		}
 		$0 = join(' ', @$cmd);
 		if ($sub) {
+			eval { PublicInbox::DS->Reset };
 			_run_sub($sub, $key, \@argv);
 			POSIX::_exit($? >> 8);
 		} else {