Index: httplib2/__init__.py
===================================================================
--- httplib2/__init__.py	(revision 181)
+++ httplib2/__init__.py	(working copy)
@@ -193,7 +193,7 @@
     elif cc_response.has_key('no-cache'):
         retval = "STALE"
     elif cc.has_key('only-if-cached'):
-        retval = "FRESH"
+        retval = response_headers.has_key('status') and "FRESH" or "STALE"
     elif response_headers.has_key('date'):
         date = calendar.timegm(rfc822.parsedate_tz(response_headers['date']))
         now = time.time()