diff --git a/lib/ace/mode/javascript_highlight_rules.js b/lib/ace/mode/javascript_highlight_rules.js
index 416dc3c4..18100423 100644
--- a/lib/ace/mode/javascript_highlight_rules.js
+++ b/lib/ace/mode/javascript_highlight_rules.js
@@ -292,6 +292,7 @@ var JavaScriptHighlightRules = function() {
         // regular expressions are only allowed after certain tokens. This
         // makes sure we don't mix up regexps with the divison operator
         "regex_allowed": [
+            DocCommentHighlightRules.getStartRule("doc-start"),
             {
                 token : "comment", // multi line comment
                 merge : true,