diff --git a/scrapy/downloadermiddlewares/httpcache.py b/scrapy/downloadermiddlewares/httpcache.py
index 30e49b886..6f1ccce68 100644
--- a/scrapy/downloadermiddlewares/httpcache.py
+++ b/scrapy/downloadermiddlewares/httpcache.py
@@ -1,3 +1,5 @@
+import logging
+
 from email.utils import formatdate
 from twisted.internet import defer
 from twisted.internet.error import TimeoutError, DNSLookupError, \
@@ -9,6 +11,9 @@ from scrapy.exceptions import NotConfigured, IgnoreRequest
 from scrapy.utils.misc import load_object
 
 
+logger = logging.getLogger(__name__)
+
+
 class HttpCacheMiddleware(object):
 
     DOWNLOAD_EXCEPTIONS = (defer.TimeoutError, TimeoutError, DNSLookupError,
@@ -24,6 +29,8 @@ class HttpCacheMiddleware(object):
         self.ignore_missing = settings.getbool('HTTPCACHE_IGNORE_MISSING')
         self.stats = stats
 
+        logger.debug("Using cache directory %(cachedir)s" % {'cachedir': self.storage.cachedir})
+
     @classmethod
     def from_crawler(cls, crawler):
         o = cls(crawler.settings, crawler.stats)