diff --git a/ftdetect/rmarkdown.vim b/ftdetect/rmarkdown.vim
index 195922d..0a0a5f9 100644
--- a/ftdetect/rmarkdown.vim
+++ b/ftdetect/rmarkdown.vim
@@ -1,4 +1,4 @@
 augroup rmarkdown
-    au! BufRead,BufNewFile *.Rmd  set filetype=rmarkdown
-    au! BufRead,BufNewFile *.Rpres  set filetype=rmarkdown
+    au! BufRead,BufNewFile *.Rmd  set filetype=rmd.rmarkdown
+    au! BufRead,BufNewFile *.Rpres  set filetype=rmd.rmarkdown
 augroup END