diff --git a/after/ftplugin/markdown.vim b/after/ftplugin/markdown.vim
new file mode 100644
index 0000000..2424615
--- /dev/null
+++ b/after/ftplugin/markdown.vim
@@ -0,0 +1,2 @@
+let g:markdown_fenced_languages = ['html', 'python', 'scala', 'js=javascript']
+let g:markdown_composer_autostart = 0