diff --git a/setup.py b/setup.py
index a100c68..0117b9c 100644
--- a/setup.py
+++ b/setup.py
@@ -5,7 +5,7 @@ import distutils.core
 from quixote.ptl.qx_distutils import qx_build_py
 
 def data_tree(destdir, sourcedir):
-    extensions = ['.css', '.png', '.jpeg', '.jpg', '.xml', '.html', '.js', '.ezt']
+    extensions = ['.css', '.png', '.jpeg', '.jpg', '.xml', '.html', '.js', '.ezt', '.gif']
     r = []
     for root, dirs, files in os.walk(sourcedir):
         l = [os.path.join(root, x) for x in files if os.path.splitext(x)[1] in extensions]
@@ -20,5 +20,6 @@ distutils.core.setup(
         package_dir = { 'extra': 'extra' },
         packages = ['extra', 'extra.modules'],
         cmdclass = {'build_py': qx_build_py},
-        data_files = data_tree('share/authentic/texts', 'data/texts')
+        data_files = data_tree('share/authentic/texts', 'data/texts') +\
+            data_tree('share/authentic/themes/', 'data/themes/'),
     )