diff --git a/circus/util.py b/circus/util.py
index c9093758..5383baf6 100644
--- a/circus/util.py
+++ b/circus/util.py
@@ -881,6 +881,9 @@ def determine_sitedir():
             if os.path.exists(_sitedir):
                 return _sitedir
 
+        import os
+        print("ls venv", os.listdir(os.path.join(watcher.virtualenv)))
+        print("ls venv/lib", os.listdir(os.path.join(watcher.virtualenv, 'lib')))
         raise ValueError("%s does not exist" % ','.join(tried_dirs))
 
     sitedir = determine_sitedir()