diff --git a/lib/ace/mode/javascript_worker.js b/lib/ace/mode/javascript_worker.js
index 4700ead6..32e72bbb 100644
--- a/lib/ace/mode/javascript_worker.js
+++ b/lib/ace/mode/javascript_worker.js
@@ -41,6 +41,7 @@ define(function(require, exports, module) {
 var oop = require("../lib/oop");
 var Mirror = require("../worker/mirror").Mirror;
 var lint = require("../worker/jshint").JSHINT;
+var parser = require("../narcissus/parser");
     
 var JavaScriptWorker = exports.JavaScriptWorker = function(sender) {
     Mirror.call(this, sender);
@@ -56,7 +57,6 @@ oop.inherits(JavaScriptWorker, Mirror);
         value = value.replace(/^#!.*\n/, "\n");
         
 //        var start = new Date();
-        var parser = require("../narcissus/jsparse");
         try {
             parser.parse(value);
         } catch(e) {
diff --git a/lib/ace/mode/javascript_worker_test.js b/lib/ace/mode/javascript_worker_test.js
index 0a331036..33625e95 100644
--- a/lib/ace/mode/javascript_worker_test.js
+++ b/lib/ace/mode/javascript_worker_test.js
@@ -71,6 +71,19 @@ module.exports = {
         assert.equal(error.row, 0);
         assert.equal(error.column, null);
     },
+
+    "test invalid multi line string": function() {
+        var worker = new JavaScriptWorker(this.sender);
+        worker.setValue('"a\n\\nn"');
+        worker.deferredUpdate.call();
+        
+        console.log(this.sender.events)
+        var error = this.sender.events[0][1];
+        assert.equal(error.text, "Unterminated string literal");
+        assert.equal(error.type, "error");
+        assert.equal(error.row, 0);
+        assert.equal(error.column, null);
+    },
     
     "test check for narcissus bug": function() {
         var worker = new JavaScriptWorker(this.sender);
diff --git a/lib/ace/narcissus/parser.js b/lib/ace/narcissus/parser.js
index 3fda17d4..4c93c63f 100644
--- a/lib/ace/narcissus/parser.js
+++ b/lib/ace/narcissus/parser.js
@@ -435,8 +435,10 @@ Pp.Statements = function Statements(n, topLevel) {
             }
         }
     } catch (e) {
-        if (this.done())
-            this.unexpectedEOF = true;
+        try {
+            if (this.done())
+                this.unexpectedEOF = true;
+        } catch(e) {}
         throw e;
     }
 }