diff --git a/pandora/app/views.py b/pandora/app/views.py
index f6343d74..9fbff09c 100644
--- a/pandora/app/views.py
+++ b/pandora/app/views.py
@@ -159,6 +159,10 @@ def init(request, data):
 
     if 'HTTP_ACCEPT_LANGUAGE' in request.META:
         response['data']['locale'] = request.META['HTTP_ACCEPT_LANGUAGE'].split(';')[0].split('-')[0]
+
+    if request.META.get('HTTP_X_PREFIX') == 'NO':
+        config['site']['videoprefix'] = ''
+        config['site']['mediaprefix'] = ''
     response['data']['site'] = config
     response['data']['user'] = init_user(request.user, request)
     request.session['last_init'] = str(datetime.now())
diff --git a/pandora/archive/models.py b/pandora/archive/models.py
index 7b3c97c0..5897503d 100644
--- a/pandora/archive/models.py
+++ b/pandora/archive/models.py
@@ -422,9 +422,9 @@ class File(models.Model):
             data[key] = self.info.get(key)
         data['users'] = list(set([i['user'] for i in data['instances']]))
         data['item'] = self.item.public_id
-        if 'url' in keys and 'url' in self.info:
-            data['url'] = self.info['url']
         if keys:
+            if 'url' in keys and 'url' in self.info:
+                data['url'] = self.info['url']
             for k in list(data):
                 if k not in keys:
                     del data[k]