diff --git a/lib/py/setup.py b/lib/py/setup.py
index 76a3526..bd177b3 100644
--- a/lib/py/setup.py
+++ b/lib/py/setup.py
@@ -28,6 +28,11 @@
 from distutils.command.build_ext import build_ext
 from distutils.errors import CCompilerError, DistutilsExecError, DistutilsPlatformError
 
+# Fix to build sdist under vagrant
+import os
+if 'vagrant' in str(os.environ):
+    del os.link
+
 include_dirs = []
 if sys.platform == 'win32':
     include_dirs.append('compat/win32')