diff --git a/staticgenerator/middleware.py b/staticgenerator/middleware.py
index 75c5578..e7c62cf 100644
--- a/staticgenerator/middleware.py
+++ b/staticgenerator/middleware.py
@@ -18,6 +18,8 @@ class StaticGeneratorMiddleware(object):
     gen = StaticGenerator()
     
     def process_response(self, request, response):
+        if getattr(settings, 'STATIC_GENERATOR_ANON_ONLY', True) == True and request.user.is_authenticated():
+            return response
         if response.status_code == 200:
             for url in self.urls:
                 if url.match(request.path_info):