diff --git a/xbob/io/__init__.py b/xbob/io/__init__.py
index ed91fcb6aaf9070761e5f8ed8044884c270d37cd..5f700b1ebc8f16709d453652204ba0007308d854 100644
--- a/xbob/io/__init__.py
+++ b/xbob/io/__init__.py
@@ -178,3 +178,6 @@ def get_include():
   """Returns the directory containing the C/C++ API include directives"""
 
   return __import__('pkg_resources').resource_filename(__name__, 'include')
+
+# gets sphinx autodoc done right - don't remove it
+__all__ = [_ for _ in dir() if not _.startswith('_')]