diff --git a/cloudron.js b/cloudron.js
index 5f743cb..57007b6 100644
--- a/cloudron.js
+++ b/cloudron.js
@@ -129,7 +129,7 @@ Cloudron.prototype.setCredentials = function (password, accessToken) {
 Cloudron.prototype.installApp = function (location, manifest) {
     var res = request.post(this._origin + '/api/v1/apps/install')
             .query({ access_token: this._credentials.accessToken })
-            .send({ manifest: manifest, appStoreId: '', location: location, accessRestriction: '', oauthProxy: false })
+            .send({ manifest: manifest, appStoreId: '', location: location, accessRestriction: null, oauthProxy: false })
             .end();
     common.verifyResponse2(res, 'Cannot install app');
     debug('App installed at %s'.green, location);
@@ -146,7 +146,7 @@ Cloudron.prototype.installApp = function (location, manifest) {
 };
 
 Cloudron.prototype.configureApp = function (appId, newLocation) {
-    var res = request.post(this._origin + '/api/v1/apps/' + appId + '/configure').query({ access_token: this._credentials.accessToken }).send({ location: newLocation, accessRestriction: '', oauthProxy: false, password: this._credentials.password }).end();
+    var res = request.post(this._origin + '/api/v1/apps/' + appId + '/configure').query({ access_token: this._credentials.accessToken }).send({ location: newLocation, accessRestriction: null, oauthProxy: false, password: this._credentials.password }).end();
     common.verifyResponse2(res, 'App could not be configured');
 
     console.log('App moved to different location'.green);