diff --git a/static/languages/_list.json b/static/languages/_list.json
index 9b707d600..304e7c304 100644
--- a/static/languages/_list.json
+++ b/static/languages/_list.json
@@ -92,4 +92,5 @@
   ,"code_go"
   ,"code_rust"
   ,"code_ruby"
+  ,"code_r"
 ]