diff --git a/conf/tmux.conf b/conf/tmux.conf
index 56ac094b..2ebbe02a 100644
--- a/conf/tmux.conf
+++ b/conf/tmux.conf
@@ -28,3 +28,6 @@ bind-key 0 select-window -t :10
 
 # Enables additional colours
 set -g default-terminal "screen-256color"
+
+# Always run zsh
+shell-command /usr/bin/env zsh