diff --git a/playbooks/roles/shell/templates/tmux.conf.j2 b/playbooks/roles/shell/templates/tmux.conf.j2
index ced7fee..597e01e 100644
--- a/playbooks/roles/shell/templates/tmux.conf.j2
+++ b/playbooks/roles/shell/templates/tmux.conf.j2
@@ -5,6 +5,10 @@ set-window-option -g automatic-rename off
 set-option -g allow-rename off
 set-option -g renumber-windows on
 
+set -g prefix C-a
+unbind C-b
+bind-key C-a send-prefix
+
 unbind l
 
 bind h select-pane -L