diff --git a/docs/conf.py b/docs/conf.py
index 6b694feab..313d22c3b 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -77,6 +77,8 @@ def setup(app):
     app.add_css_file("custom.css")
 
 
+html_context = {}
+
 import os
 import subprocess