diff --git a/autoload/SpaceVim/layers/lang/markdown.vim b/autoload/SpaceVim/layers/lang/markdown.vim
index ccb63fd07..80c72341f 100644
--- a/autoload/SpaceVim/layers/lang/markdown.vim
+++ b/autoload/SpaceVim/layers/lang/markdown.vim
@@ -73,6 +73,7 @@ function! SpaceVim#layers#lang#markdown#plugins() abort
   call add(plugins, ['joker1007/vim-markdown-quote-syntax',{ 'on_ft' : 'markdown'}])
   call add(plugins, [g:_spacevim_root_dir . 'bundle/vim-markdown-toc', {
         \ 'merged' : 0,
+        \ 'on_ft' : 'markdown',
         \ 'on_cmd' :
         \ ['GenTocGFM', 'GenTocGitLab', 'GenTocMarked', 'GenTocModeline', 'GenTocRedcarpet']}])
   call add(plugins, ['iamcco/mathjax-support-for-mkdp',{ 'on_ft' : 'markdown'}])