diff --git a/doc/conf.py b/doc/conf.py
index cfef4259b..51bd24823 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -183,7 +183,8 @@
 }
 autodoc_mock_imports = ['onewire',
                         'gi',
-                        'gi.repository',]
+                        'gi.repository',
+                        'vxi11']
 
 # -- Options for autosection ----------------------------------------------
 autosectionlabel_prefix_document = True