diff --git a/core/js/js.js b/core/js/js.js
index 610950995d..b7442f303a 100644
--- a/core/js/js.js
+++ b/core/js/js.js
@@ -88,7 +88,7 @@ var OC={
PERMISSION_DELETE:8,
PERMISSION_SHARE:16,
webroot:oc_webroot,
- appswebroots:oc_appswebroots,
+ appswebroots:(typeof oc_appswebroots !== 'undefined') ? oc_appswebroots:false,
currentUser:(typeof oc_current_user!=='undefined')?oc_current_user:false,
coreApps:['', 'admin','log','search','settings','core','3rdparty'],
/**
diff --git a/core/templates/layout.base.php b/core/templates/layout.base.php
index 47f4b423b3..cb2f977383 100644
--- a/core/templates/layout.base.php
+++ b/core/templates/layout.base.php
@@ -10,7 +10,6 @@
diff --git a/core/templates/layout.guest.php b/core/templates/layout.guest.php
index 8395426e4e..5b39503474 100644
--- a/core/templates/layout.guest.php
+++ b/core/templates/layout.guest.php
@@ -10,7 +10,6 @@