diff --git a/setup.py b/setup.py
index 98a844269..977035d7d 100644
--- a/setup.py
+++ b/setup.py
@@ -19,6 +19,7 @@ try:
 except ImportError:
     cythonize = None
 
+sys.path += [os.path.dirname(__file__)]
 import setup_checksums
 import setup_compress
 import setup_crypto