diff --git a/rc/tools/comment.kak b/rc/tools/comment.kak
index 76bf68aa..383a3fcd 100644
--- a/rc/tools/comment.kak
+++ b/rc/tools/comment.kak
@@ -115,7 +115,7 @@ hook global BufSetOption filetype=python %{
     set-option buffer comment_block_end "'''"
 }
 
-hook global BufSetOption filetype=(r|rmd) %{
+hook global BufSetOption filetype=r %{
     set-option buffer comment_line '#'
 }