diff --git a/roles/baseconfig/tasks/main.yml b/roles/baseconfig/tasks/main.yml
index c1d3eda..0c13978 100644
--- a/roles/baseconfig/tasks/main.yml
+++ b/roles/baseconfig/tasks/main.yml
@@ -23,6 +23,7 @@
       - oidentd  # postgresql identification
       - screen  # Vulcain asked for this
       - sudo
+      - tmux  # For shirenn
       - tree  # create a graphical tree of files
       - vim  # better than nano
       - zsh  # to be able to ssh @erdnaxe