diff --git a/config/zsh/login/langs b/config/zsh/login/langs
index 5cec6cf..d798a03 100644
--- a/config/zsh/login/langs
+++ b/config/zsh/login/langs
@@ -8,6 +8,7 @@ newbins+=(~/.go/bin)
 
 # haskell
 newbins+=(~/.cabal/bin ~/Library/Haskell/bin)
+export STACK_ROOT=$XDG_DATA_HOME/stack
 
 # ooc
 if (( $+commands[rock] )); then