diff --git a/tmux.conf b/tmux.conf
index 453ef1c..9fb0dee 100644
--- a/tmux.conf
+++ b/tmux.conf
@@ -1,6 +1,12 @@
-set -ag terminal-overrides ",xterm-256color:RGB"
+set-option -sa terminal-overrides ",xterm-256color:RGB"
 set -g default-terminal "screen-256color"
 
+set-option -g default-shell /usr/bin/zsh
+
+# Start window at 1 instead of 0
+set -g base-index 1
+setw -g pane-base-index 1
+
 set -g mouse on
 
 # ---- Change prefix key