diff --git a/setup.py b/setup.py
index eb881ab14d..ebcb649f8b 100644
--- a/setup.py
+++ b/setup.py
@@ -45,6 +45,7 @@ setup(name='trytond-' + info['name'].lower(),
         'Intended Audience :: Legal Industry',
         'License :: OSI Approved :: GNU General Public License (GPL)',
         'Natural Language :: English',
+        'Natural Language :: German',
         'Operating System :: OS Independent',
         'Programming Language :: Python',
         'Topic :: Office/Business',