diff --git a/.tmux.conf b/.tmux.conf
index c4e18ee..654e4f3 100644
--- a/.tmux.conf
+++ b/.tmux.conf
@@ -1,2 +1,3 @@
 set-option -g prefix Home
 bind-key -t emacs-copy M-w copy-pipe "pbcopy"
+set -g default-command "which reattach-to-user-namespace > /dev/null && reattach-to-user-namespace -l $SHELL || $SHELL -l"