diff --git a/lib/handlebars/utils.js b/lib/handlebars/utils.js
index dffc477b9..1e0e4c902 100644
--- a/lib/handlebars/utils.js
+++ b/lib/handlebars/utils.js
@@ -1,5 +1,7 @@
 exports.attach = function(Handlebars) {
 
+var toString = Object.prototype.toString;
+
 // BEGIN(BROWSER)
 
 var errorProps = ['description', 'fileName', 'lineNumber', 'message', 'name', 'number', 'stack'];