diff --git a/setup.py b/setup.py
index <HASH>..<HASH> 100644
--- a/setup.py
+++ b/setup.py
@@ -20,6 +20,8 @@ import gui
 version = gui.__version__

 if sys.version_info > (3, ):

     version += "-py3k"

+else:

+    version += "-py2x"

 

 # append install on windows

 if len(sys.argv) == 1 and sys.platform.startswith("win"):
add -py2x to version in setup