diff --git a/.zshrc b/.zshrc
index db97280..e6a7efa 100644
--- a/.zshrc
+++ b/.zshrc
@@ -131,6 +131,14 @@ source $HOME/dotfiles/zsh/keybindings.zsh
 source $HOME/dotfiles/zsh/alias.zsh
 source $HOME/dotfiles/zsh/env.zsh
 
+case `uname` in
+Darwin)
+	source $HOME/dotfiles/zsh/osx.zsh
+	;;
+FreeBSD)
+	;;
+esac
+
 if [[ -f ~/.zshrc.local ]]; then
     source $HOME/.zshrc.local
 fi
@@ -291,5 +299,4 @@ gfs() {
   cut -c4- | sed 's/.* -> //'
 }
 
-. $(brew --prefix asdf)/asdf.sh
 
diff --git a/zsh/osx.zsh b/zsh/osx.zsh
new file mode 100644
index 0000000..4c63d2d
--- /dev/null
+++ b/zsh/osx.zsh
@@ -0,0 +1,3 @@
+
+. $(brew --prefix asdf)/asdf.sh
+