diff --git a/runtime/filetype.vim b/runtime/filetype.vim
index 206b22d460..b038f2473d 100644
--- a/runtime/filetype.vim
+++ b/runtime/filetype.vim
@@ -1625,7 +1625,7 @@ au BufNewFile,BufRead .zshrc,.zshenv,.zlogin,.zlogout,.zcompdump setf zsh
 au BufNewFile,BufRead *.zsh			setf zsh
 
 " Scheme
-au BufNewFile,BufRead *.scm,*.ss,*.rkt		setf scheme
+au BufNewFile,BufRead *.scm,*.ss,*.rkt,*.rktd,*.rktl 	setf scheme
 
 " Screen RC
 au BufNewFile,BufRead .screenrc,screenrc	setf screen
diff --git a/src/nvim/testdir/test_filetype.vim b/src/nvim/testdir/test_filetype.vim
index 3904be03df..ed9bcf2720 100644
--- a/src/nvim/testdir/test_filetype.vim
+++ b/src/nvim/testdir/test_filetype.vim
@@ -430,7 +430,7 @@ let s:filename_checks = {
     \ 'sather': ['file.sa'],
     \ 'sbt': ['file.sbt'],
     \ 'scala': ['file.scala', 'file.sc'],
-    \ 'scheme': ['file.scm', 'file.ss', 'file.rkt'],
+    \ 'scheme': ['file.scm', 'file.ss', 'file.rkt', 'file.rktd', 'file.rktl'],
     \ 'scilab': ['file.sci', 'file.sce'],
     \ 'screen': ['.screenrc', 'screenrc'],
     \ 'sexplib': ['file.sexp'],