diff --git a/ftdetect/groff.vim b/ftdetect/groff.vim
new file mode 100644
index 0000000..97b3a46
--- /dev/null
+++ b/ftdetect/groff.vim
@@ -0,0 +1 @@
+autocmd BufRead,BufNewFile *.ms,*.me,*.mom,*.man set filetype=groff