diff --git a/.tmux-osx.conf b/.tmux-osx.conf
index c6726cd..d339aec 100644
--- a/.tmux-osx.conf
+++ b/.tmux-osx.conf
@@ -2,4 +2,5 @@
 ### special settings for MacOS
 ##########################################
 # url: https://github.com/ChrisJohnsen/tmux-MacOSX-pasteboard
-set-option -g default-command 'reattach-to-user-namespace-tmux -l "$SHELL"'
\ No newline at end of file
+#set-option -g default-command "reattach-to-user-namespace -l bash"
+set-option -g default-command "reattach-to-user-namespace -l zsh"
\ No newline at end of file