diff --git a/docs/source/conf.py b/docs/source/conf.py
index 5d8414df..89fa83b6 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -225,4 +225,4 @@
 
 # needed for GH pages (vs readthedocs),
 # because we have no '/<language>/<version>/' in the URL
-notfound_urls_prefix = None
+notfound_urls_prefix = "/movement/"