diff --git a/doc/custom_conf.py b/doc/custom_conf.py
index b4b1f60fe..3793db791 100644
--- a/doc/custom_conf.py
+++ b/doc/custom_conf.py
@@ -72,7 +72,7 @@
 
     # Change to the folder that contains the documentation
     # (usually "/" or "/docs/")
-    'github_folder': '/doc',
+    'github_folder': '/doc/',
 
     # Change to an empty value if your GitHub repo doesn't have issues enabled.
     # This will disable the feedback button and the issue link in the footer.