diff --git a/lib/ace/mode/javascript_highlight_rules.js b/lib/ace/mode/javascript_highlight_rules.js
index b65eba0d..e9737bd9 100644
--- a/lib/ace/mode/javascript_highlight_rules.js
+++ b/lib/ace/mode/javascript_highlight_rules.js
@@ -127,6 +127,9 @@ var JavaScriptHighlightRules = function() {
             }, {
                 token : "rparen",
                 regex : "[\\])}]"
+            }, {
+                token: "comment",
+                regex: "^#!.*$" 
             }, {
                 token : "text",
                 regex : "\\s+"