diff --git a/docs/conf.py b/docs/conf.py
index 856fd9482c..527327630d 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -152,7 +152,7 @@
 html_theme = "pydata_sphinx_theme"
 github_repo = "ophyd-async"
 github_user = "bluesky"
-switcher_json = f"https://{github_user}.github.io/{github_repo}/switcher.json"
+switcher_json = "https://blueskyproject.io/ophyd-async/switcher.json"
 switcher_exists = requests.get(switcher_json).ok
 if not switcher_exists:
     print(