diff --git a/src/apps.js b/src/apps.js
index 71e49d6cd..0a56281cd 100644
--- a/src/apps.js
+++ b/src/apps.js
@@ -507,7 +507,8 @@ function install(data, auditSource, callback) {
         enableBackup = 'enableBackup' in data ? data.enableBackup : true,
         backupId = data.backupId || null,
         backupFormat = data.backupFormat || 'tgz',
-        ownerId = data.ownerId;
+        ownerId = data.ownerId,
+        alternateDomains = data.alternateDomains || [];
 
     assert(data.appStoreId || data.manifest); // atleast one of them is required
 
@@ -579,7 +580,8 @@ function install(data, auditSource, callback) {
                 mailboxName: mailboxNameForLocation(location, manifest),
                 restoreConfig: backupId ? { backupId: backupId, backupFormat: backupFormat } : null,
                 enableBackup: enableBackup,
-                robotsTxt: robotsTxt
+                robotsTxt: robotsTxt,
+                alternateDomains: alternateDomains
             };
 
             appdb.add(appId, appStoreId, manifest, location, domain, ownerId, translatePortBindings(portBindings, manifest), data, function (error) {
diff --git a/src/routes/apps.js b/src/routes/apps.js
index 031839957..811413148 100644
--- a/src/routes/apps.js
+++ b/src/routes/apps.js
@@ -127,6 +127,13 @@ function installApp(req, res, next) {
 
     if (data.robotsTxt && typeof data.robotsTxt !== 'string') return next(new HttpError(400, 'robotsTxt must be a string'));
 
+    if ('alternateDomains' in data) {
+        if (!Array.isArray(data.alternateDomains)) return next(new HttpError(400, 'alternateDomains must be an array'));
+        if (data.alternateDomains.some(function (d) { return (typeof d.domain !== 'string' || typeof d.subdomain !== 'string'); })) return next(new HttpError(400, 'alternateDomains array must contain objects with domain and subdomain strings'));
+
+        data.alternateDomains.forEach(function (ad) { ad.subdomain = addSpacesSuffix(ad.subdomain, req.user); });
+    }
+
     debug('Installing app :%j', data);
 
     apps.install(data, auditSource(req), function (error, app) {