diff --git a/setup.py b/setup.py
index 37e9af8..305b8b2 100644
--- a/setup.py
+++ b/setup.py
@@ -8,7 +8,7 @@
       author='Timo Schmid',
       author_email='tschmid@ernw.de',
       url='https://www.insinuator.net/?p=7513',
-      packages=['nettcp'],
+      packages=['nettcp', 'nettcp.stream'],
       scripts=[
         'scripts/decode-nmf.py',
         'scripts/decode-wcfbin.py',