diff --git a/www/tools/library.test.mjs b/www/tools/library.test.mjs
index 4720870..7ff21bb 100644
--- a/www/tools/library.test.mjs
+++ b/www/tools/library.test.mjs
@@ -629,7 +629,10 @@ test('redirect registry preserves service aliases and defines all six page-one a
   const rendered = redirectArtifacts(redirects);
   assert.equal(await readFile(path.join(project, 'src/data/redirects.json'), 'utf8'), rendered.json);
   assert.equal(await readFile(path.join(project, 'reports/redirect-map.csv'), 'utf8'), rendered.csv);
-  assert.equal(await readFile(path.join(project, 'reports/nginx-rewrites.conf'), 'utf8'), rendered.nginx);
+  const nginxTemplate = await readFile(path.join(project, 'reports/nginx-rewrites.conf'), 'utf8');
+  assert.match(nginxTemplate, /location ~ \^\(\.\+\?\)\/\+\$ \{\n  return 308 \$1\$is_args\$args;/);
+  assert.match(nginxTemplate, /try_files \$uri \$uri\/index\.html \$uri\.html =404;/);
+  assert.ok(nginxTemplate.endsWith(rendered.nginx));
   assert.ok(!redirects.some(({ from }) => /\/page\/[2-9]\d*$/.test(from)));
 });