diff --git a/collective/__init__.py b/collective/__init__.py
index 792d600..f48ad10 100644
--- a/collective/__init__.py
+++ b/collective/__init__.py
@@ -1 +1,6 @@
-#
+# See http://peak.telecommunity.com/DevCenter/setuptools#namespace-packages
+try:
+    __import__('pkg_resources').declare_namespace(__name__)
+except ImportError:
+    from pkgutil import extend_path
+    __path__ = extend_path(__path__, __name__)
diff --git a/collective/transcode/__init__.py b/collective/transcode/__init__.py
index 792d600..f48ad10 100644
--- a/collective/transcode/__init__.py
+++ b/collective/transcode/__init__.py
@@ -1 +1,6 @@
-#
+# See http://peak.telecommunity.com/DevCenter/setuptools#namespace-packages
+try:
+    __import__('pkg_resources').declare_namespace(__name__)
+except ImportError:
+    from pkgutil import extend_path
+    __path__ = extend_path(__path__, __name__)
diff --git a/docs/CHANGES.txt b/docs/CHANGES.txt
index 5a4279e..34f20b5 100644
--- a/docs/CHANGES.txt
+++ b/docs/CHANGES.txt
@@ -2,6 +2,7 @@
 -----------------
 
  - Disable directory listing [Gagaro]
+ - Specify namespace packages [jean]
 
 0.12 (2012-12-03)
 -----------------
diff --git a/setup.py b/setup.py
index d7ce509..c0b572b 100644
--- a/setup.py
+++ b/setup.py
@@ -4,7 +4,7 @@
 def read(*rnames):
     return open(os.path.join(os.path.dirname(__file__), *rnames)).read()
 
-version = '0.12'
+version = '0.13'
 
 long_description = (
     read('README.txt')
@@ -41,6 +41,7 @@ def read(*rnames):
       author_email='we@unweb.me',
       url='https://github.com/plumi/collective.transcode.daemon',
       license='GPL',
+      namespace_packages=['collective', 'collective.transcode'],
       packages=find_packages(exclude=['ez_setup', 'examples', 'tests']),
       include_package_data=True,
       zip_safe=False,