diff --git a/lib/jsdom/browser/index.js b/lib/jsdom/browser/index.js
index 54a7429477..500649ded1 100644
--- a/lib/jsdom/browser/index.js
+++ b/lib/jsdom/browser/index.js
@@ -624,6 +624,17 @@ var browserAugmentation = exports.browserAugmentation = function(dom, options) {
 		}
 	});
 	
+	dom.Element.prototype.__defineGetter__('form', function() {
+		var e = this;
+		while (e) {
+			if (e.nodeName.toUpperCase() == 'FORM') {
+				return e;
+			}
+			e = this.parentNode;
+		}
+		return undefined;
+	});
+
     dom.Element.prototype.__defineGetter__('textContent', function() {
         var stripHTML = /<\S[^><]*>/g;
         var out = this.innerHTML;