diff --git a/phantom_pdf/generator.py b/phantom_pdf/generator.py
index a8f9bd8..b445ca6 100644
--- a/phantom_pdf/generator.py
+++ b/phantom_pdf/generator.py
@@ -84,7 +84,7 @@ def _build_url(self, request):
         domain = netloc
         return '{protocol}://{domain}{path}'.format(
             protocol=protocol,
-            domain=domain,
+            domain=getattr(settings, 'PHANTOMJS_DOMAIN', domain),
             path=path)
 
     def _save_cookie_data(self, request):