diff --git a/tmux.conf b/tmux.conf
index 388e40a..b03b37f 100644
--- a/tmux.conf
+++ b/tmux.conf
@@ -2,6 +2,8 @@
 set -g base-index 1
 setw -g pane-base-index 1
 
+# Set default shell to ZSH
+set-option -g default-shell /usr/bin/zsh
 
 # remap prefix from 'C-b' to 'C-a'
 unbind C-b