diff --git a/ftdetect/markdown.vim b/ftdetect/markdown.vim
index d34bdc9..1c5a36a 100644
--- a/ftdetect/markdown.vim
+++ b/ftdetect/markdown.vim
@@ -1,2 +1,6 @@
 autocmd BufNewFile,BufRead *.markdown,*.md,*.mdown,*.mkd,*.mkdn
-      \ if &ft ==# 'conf' | set ft=markdown | else | setf markdown | endif
+      \ if &ft =~# '^\%(conf\|modula2\)$' |
+      \   set ft=markdown |
+      \ else |
+      \   setf markdown |
+      \ endif