diff --git a/.gitignore b/.gitignore
index 123f326..07655ed 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,6 @@
 *.egg-info
 *.pyc
 .coverage
+build
 dist
 htmlcov
diff --git a/setup.py b/setup.py
index d69f8b5..7fedf15 100644
--- a/setup.py
+++ b/setup.py
@@ -9,6 +9,7 @@
     description='Trac - GitHub integration',
     download_url='http://pypi.python.org/pypi/trac-github',
     packages=['tracext'],
+    namespace_packages=['tracext'],
     platforms='all',
     license='BSD',
     entry_points={'trac.plugins': ['github = tracext.github']},
diff --git a/tracext/__init__.py b/tracext/__init__.py
index e69de29..de40ea7 100644
--- a/tracext/__init__.py
+++ b/tracext/__init__.py
@@ -0,0 +1 @@
+__import__('pkg_resources').declare_namespace(__name__)