diff --git a/fish/README.md b/fish/README.md
index f0cae5d..20cce84 100644
--- a/fish/README.md
+++ b/fish/README.md
@@ -9,6 +9,7 @@ A terminal shell
 ```bash
 sudo pacman -S fish
 chsh -s `which fish`
+echo "source {location_of_dotfiles}/fish/config.fish" >> ~/.config/fish/config.fish
 ```
 
 Log out, then back in
diff --git a/fish/config.fish b/fish/config.fish
new file mode 100644
index 0000000..413b915
--- /dev/null
+++ b/fish/config.fish
@@ -0,0 +1,5 @@
+if status is-interactive
+and not set -q TMUX
+    exec tmux
+end
+source ~/.asdf/asdf.fish