diff --git a/git_config.py b/git_config.py
index c87d5be..f65a035 100644
--- a/git_config.py
+++ b/git_config.py
@@ -19,7 +19,7 @@
 import sys
 from urllib2 import urlopen, HTTPError
 from error import GitError, UploadError
-from git_command import GitCommand
+from git_command import GitCommand, TRACE
 
 R_HEADS = 'refs/heads/'
 R_TAGS  = 'refs/tags/'
@@ -189,6 +189,8 @@
     except OSError:
       return None
     try:
+      if TRACE:
+        print >>sys.stderr, ': unpickle %s' % self.file
       return cPickle.load(open(self._pickle, 'r'))
     except IOError:
       os.remove(self._pickle)