diff --git a/src/routes/apps.js b/src/routes/apps.js
index d7085760a..ce4407a9d 100644
--- a/src/routes/apps.js
+++ b/src/routes/apps.js
@@ -328,8 +328,7 @@ function setLocation(req, res, next) {
     assert.strictEqual(typeof req.body, 'object');
     assert.strictEqual(typeof req.params.id, 'string');
 
-    if (!req.body.location) return next(new HttpError(400, 'location is required'));
-    if (typeof req.body.location !== 'string') return next(new HttpError(400, 'location must be string'));
+    if (typeof req.body.location !== 'string') return next(new HttpError(400, 'location must be string')); // location 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'));