diff --git a/setup.py b/setup.py
index 4f8a9b8..2fffd0f 100755
--- a/setup.py
+++ b/setup.py
@@ -38,7 +38,7 @@
 setup(
     name = 'scapy',
     version = '2.0.1-dev', 
-    packages=['scapy','scapy/arch', 'scapy/layers','scapy/asn1','scapy/tools','scapy/modules'],
+    packages=['scapy','scapy/arch', 'scapy/arch/windows', 'scapy/layers','scapy/asn1','scapy/tools','scapy/modules'],
     scripts = ['bin/scapy','bin/UTscapy'],
     data_files = [('share/man/man1', ["doc/scapy.1.gz"])],