diff --git a/component/cloudooo/buildout.cfg b/component/cloudooo/buildout.cfg
index 3e83b3f6a311fa6453028fb4bb8c20007376d42d..6948894ac39b6593c5bc37aaf10c4406244b3e67 100644
--- a/component/cloudooo/buildout.cfg
+++ b/component/cloudooo/buildout.cfg
@@ -21,6 +21,7 @@ eggs =
   ${lxml-python:egg}
   cloudooo
   PasteScript
+  python-magic
 entry-points =
   cloudooo_tester=cloudooo.bin.cloudooo_tester:main
   runCloudoooUnitTest=cloudooo.tests.runHandlerUnitTest:run