diff --git a/arch-config/.config/fish/config.fish b/arch-config/.config/fish/config.fish
index 00199d78..0befb4b8 100644
--- a/arch-config/.config/fish/config.fish
+++ b/arch-config/.config/fish/config.fish
@@ -2,6 +2,11 @@
 #fish_vi_key_bindings
 fish_default_key_bindings
 
+if status is-interactive
+and not set -q TMUX
+    exec tmux
+end
+
 # Info:
 # https://fishshell.com/docs/current/index.html#variables-for-changing-highlighting-colors
 set fish_color_normal blue