diff --git a/src/routes/apps.js b/src/routes/apps.js
index b950cbb72..2f1bfd300 100644
--- a/src/routes/apps.js
+++ b/src/routes/apps.js
@@ -409,7 +409,6 @@ async function setLocation(req, res, next) {
     assert.strictEqual(typeof req.app, 'object');
 
     if (typeof req.body.subdomain !== 'string') return next(new HttpError(400, 'subdomain must be string')); // subdomain may be an empty string
-    if (!req.body.domain) return next(new HttpError(400, 'domain is required'));
     if (typeof req.body.domain !== 'string') return next(new HttpError(400, 'domain must be string'));
 
     if ('portBindings' in req.body && typeof req.body.portBindings !== 'object') return next(new HttpError(400, 'portBindings must be an object'));