diff --git a/vim/.vim/vimrc b/vim/.vim/vimrc
index 7a09ea5..f3bc22c 100644
--- a/vim/.vim/vimrc
+++ b/vim/.vim/vimrc
@@ -34,6 +34,7 @@ let g:syntastic_cpp_compiler_options = "-std=c++11 -Wall -Wextra -Wpedantic"
 
 autocmd Filetype python setlocal expandtab
 autocmd Filetype markdown setlocal textwidth=72 expandtab
+autocmd Filetype haskell setlocal expandtab
 
 " Remove trailing whitespace, always.
 autocmd BufWritePre * :%s/\s\+$//e