diff --git a/tmux.conf b/tmux.conf
index 31c133e..9e053da 100644
--- a/tmux.conf
+++ b/tmux.conf
@@ -1,4 +1,4 @@
-set -g default-command "reattach-to-user-namespace -l fish"
+if-shell "uname | grep -q Darwin" "set -g default-command \"reattach-to-user-namespace -l $SHELL\""
 set -g default-terminal "screen-256color"
 run "~/.dotfiles/tmux.sh"
 set -g base-index 1