--- a/piecrust/environment.py	Thu Oct 16 08:19:02 2014 -0700
+++ b/piecrust/environment.py	Thu Oct 16 17:03:42 2014 -0700
@@ -115,11 +115,14 @@
         self.was_cache_cleaned = False
         self.page_repository = MemCache()
         self.rendered_segments_repository = MemCache()
+        self.fs_caches = {
+                'renders': self.rendered_segments_repository}
         self.base_asset_url_format = '%uri%'
 
     def initialize(self, app):
-        cache = app.cache.getCache('renders')
-        self.rendered_segments_repository.fs_cache = cache
+        for name, repo in self.fs_caches.items():
+            cache = app.cache.getCache(name)
+            repo.fs_cache = cache
 
 
 class StandardEnvironment(Environment):

--- a/piecrust/serving.py	Thu Oct 16 08:19:02 2014 -0700
+++ b/piecrust/serving.py	Thu Oct 16 17:03:42 2014 -0700
@@ -15,6 +15,7 @@
 from piecrust.app import PieCrust
 from piecrust.data.filters import (PaginationFilter, HasFilterClause,
         IsFilterClause)
+from piecrust.environment import StandardEnvironment
 from piecrust.page import Page
 from piecrust.processing.base import ProcessorPipeline
 from piecrust.rendering import PageRenderingContext, render_page
@@ -24,6 +25,12 @@
 logger = logging.getLogger(__name__)
 
 
+class ServingEnvironment(StandardEnvironment):
+    def __init__(self):
+        super(ServingEnvironment, self).__init__()
+        del self.fs_caches['renders']
+
+
 class Server(object):
     def __init__(self, root_dir, host='localhost', port='8080',
                  debug=False, static_preview=True,
@@ -77,7 +84,8 @@
             raise MethodNotAllowed()
 
         # Create the app for this request.
-        app = PieCrust(root_dir=self.root_dir, debug=self.debug)
+        env = ServingEnvironment()
+        app = PieCrust(root_dir=self.root_dir, debug=self.debug, env=env)
         app.config.set('site/root', '/')
         app.config.set('site/pretty_urls', True)
         app.config.set('server/is_serving', True)