diff --git a/runtime/indent/lisp.vim b/runtime/indent/lisp.vim
new file mode 100644
index 0000000..444fe10
--- /dev/null
+++ b/runtime/indent/lisp.vim
@@ -0,0 +1,15 @@
+" Vim indent file
+" Language:	Lisp
+" Maintainer:	noone
+" Last Change:	2005 Mar 28
+
+" Only load this indent file when no other was loaded.
+if exists("b:did_indent")
+   finish
+endif
+let b:did_indent = 1
+
+" Autoindent is the best we can do.
+setlocal ai
+
+let b:undo_indent = "setl ai<"