diff --git a/Gruntfile.js b/Gruntfile.js
index 3468e4d38..b14536cd0 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -96,7 +96,7 @@ module.exports = function(grunt) {
     uglify: {
       options: {
         mangle: true,
-        compress: true,
+        compress: {},
         preserveComments: 'some'
       },
       dist: {
@@ -169,10 +169,12 @@ module.exports = function(grunt) {
 
   // Build a new version of the library
   this.registerTask('build', "Builds a distributable version of the current project", [
+                    'clean',
+                    'jshint',
                     'parser',
                     'node',
-                    'globals',
-                    'jshint']);
+                    'globals'
+                  ]);
 
   this.registerTask('amd', ['packager:amd', 'requirejs']);
   this.registerTask('node', ['packager:cjs']);
diff --git a/lib/handlebars/compiler/javascript-compiler.js b/lib/handlebars/compiler/javascript-compiler.js
index 75390685f..c147464d6 100644
--- a/lib/handlebars/compiler/javascript-compiler.js
+++ b/lib/handlebars/compiler/javascript-compiler.js
@@ -11,6 +11,10 @@ JavaScriptCompiler.prototype = {
   // PUBLIC API: You can override these methods in a subclass to provide
   // alternative compiled forms for name lookup and buffering semantics
   nameLookup: function(parent, name /* , type*/) {
+    if (name === 'constructor') {
+      return ['(', parent, '.propertyIsEnumerable(\'constructor\') ? ', parent, '.constructor : undefined', ')'];
+    }
+
     var wrap,
         ret;
     if (parent.indexOf('depth') === 0) {
diff --git a/lib/handlebars/utils.js b/lib/handlebars/utils.js
index ed2e1d8ff..c5da397d6 100644
--- a/lib/handlebars/utils.js
+++ b/lib/handlebars/utils.js
@@ -7,11 +7,12 @@ var escape = {
   ">": ">",
   '"': """,
   "'": "'",
-  "`": "`"
+  "`": "`",
+  '=': '='
 };
 
-var badChars = /[&<>"'`]/g;
-var possible = /[&<>"'`]/;
+var badChars = /[&<>"'`=]/g;
+var possible = /[&<>"'`=]/;
 
 function escapeChar(chr) {
   return escape[chr] || "&amp;";
diff --git a/package.json b/package.json
index 6403c5d46..159801960 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "handlebars",
   "barename": "handlebars",
-  "version": "1.3.0",
+  "version": "1.3.0-security-patch-1",
   "description": "Handlebars provides the power necessary to let you build semantic templates effectively with no frustration",
   "homepage": "http://www.handlebarsjs.com/",
   "keywords": [