diff --git a/mode/javascript/javascript.js b/mode/javascript/javascript.js
index 0a46dc77681fd7ef87862a4bf467284e1dd9966e..5a65a9b9d6235ad559f69f739cd9c6543c3346fd 100644
--- a/mode/javascript/javascript.js
+++ b/mode/javascript/javascript.js
@@ -558,7 +558,7 @@ CodeMirror.defineMode("javascript", function(config, parserConfig) {
     }
   }
   function typeexpr(type, value) {
-    if (type == "variable") {
+    if (type == "variable" || value == "void") {
       if (value == "keyof") {
         cx.marked = "keyword"
         return cont(typeexpr)