diff --git a/slides/intro-fullday.yml b/slides/intro-fullday.yml
index dcca59ef..7a8edb06 100644
--- a/slides/intro-fullday.yml
+++ b/slides/intro-fullday.yml
@@ -3,7 +3,7 @@ title: |
   to Containers
 
 #chat: "[Slack](https://dockercommunity.slack.com/messages/C7GKACWDV)"
-chat: "[Gitter](https://gitter.im/enix/formation-docker-20190107)"
+chat: "[Gitter](https://gitter.im/enix/formation-docker-20190109)"
 gitrepo: github.com/jpetazzo/container.training
 
 slides: http://intro-2019-01.container.training/