diff --git a/slides/_redirects b/slides/_redirects
index 31b8448b..74bad0fd 100644
--- a/slides/_redirects
+++ b/slides/_redirects
@@ -1,7 +1,7 @@
 # Uncomment and/or edit one of the the following lines if necessary.
 #/ /kube-halfday.yml.html 200
 #/ /kube-fullday.yml.html 200
-/ /kube-twodays.yml.html 200
+/ /kube-twodays.yml.html 200!
 
 # And this allows to do "git clone https://container.training".
 /info/refs service=git-upload-pack https://github.com/jpetazzo/container.training/info/refs?service=git-upload-pack