diff --git a/ansible/roles/tmux/files/tmux/tmux.conf b/ansible/roles/tmux/files/tmux/tmux.conf
index 3263f98..1b95d63 100644
--- a/ansible/roles/tmux/files/tmux/tmux.conf
+++ b/ansible/roles/tmux/files/tmux/tmux.conf
@@ -3,6 +3,9 @@ unbind C-b
 set-option -g prefix C-a
 bind-key C-a send-prefix
 
+# Start windows at index 1 instead of 0
+set -g base-index 1
+
 # VI-mode
 set-window-option -g mode-keys vi
 set-window-option -g status-keys vi