diff --git a/vim/.vim/after/ftplugin/haskell.vim b/vim/.vim/after/ftplugin/haskell.vim
new file mode 100644
index 0000000..39e3811
--- /dev/null
+++ b/vim/.vim/after/ftplugin/haskell.vim
@@ -0,0 +1,6 @@
+" Create the `b:undo_ftplugin` variable if it doesn't exist
+call ftplugined#check_undo_ft()
+
+" Use a small indentation value on Haskell files
+setlocal shiftwidth=2
+let b:undo_ftplugin.='|setlocal shiftwidth<'