diff --git a/.tmux.conf b/.tmux.conf
index 8d00300..5f955e5 100644
--- a/.tmux.conf
+++ b/.tmux.conf
@@ -5,6 +5,10 @@ bind - split-window -v
 unbind '"'
 unbind %
 
+# tmux as non-login shell
+# https://wiki.archlinux.org/index.php/tmux#Start_a_non-login_shell
+set -g default-command "${SHELL}"
+
 set-window-option -g aggressive-resize #https://superuser.com/questions/880497/how-do-i-resize-the-usable-area-of-a-tmux-session
 
 # setze uhrzeit auf 24h format