diff --git a/lib/ace/mode/coffee_highlight_rules.js b/lib/ace/mode/coffee_highlight_rules.js
index 7731da88..7ff612f5 100644
--- a/lib/ace/mode/coffee_highlight_rules.js
+++ b/lib/ace/mode/coffee_highlight_rules.js
@@ -84,7 +84,7 @@ define(function(require, exports, module) {
 
         var functionRule = {
             token: ["paren.lparen", "variable.parameter", "paren.rparen", "text", "storage.type"],
-            regex: /(\()((?:"[^")]*?"|'[^')]*?'|\/[^\/)]*?\/|[^()\"'\/])*?)(\))(\s*)([\-=]>)/
+            regex: /(?:(\()((?:"[^")]*?"|'[^')]*?'|\/[^\/)]*?\/|[^()\"'\/])*?)(\))(\s*))?([\-=]>)/.source
         };
 
         var stringEscape = /\\(?:x[0-9a-fA-F]{2}|u[0-9a-fA-F]{4}|[0-2][0-7]{0,2}|3[0-6][0-7]?|37[0-7]?|[4-7][0-7]?|.)/;
@@ -147,7 +147,7 @@ define(function(require, exports, module) {
                     regex : "#.*"
                 }, {
                     token : ["punctuation.operator", "text", "identifier"],
-                    regex : "(\\.)(\\s*)(" + identifier + ")"
+                    regex : "(\\.)(\\s*)(" + illegal + ")"
                 }, {
                     token : "punctuation.operator",
                     regex : "\\."