diff --git a/CHANGELOG b/CHANGELOG
index daefe8b..563b15e 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,5 @@
+* Avoid re-extending element in Element#getDimensions. [kangax]
+
 * Prevent Hash#toQueryString from serializing objets. [kangax, Tobie Langel]
 
 * Fix Event#pointer in IE standard mode. Closes #9920. [kangax, Tobie Langel]
diff --git a/src/dom.js b/src/dom.js
index 8e8029b..be8ff6e 100644
--- a/src/dom.js
+++ b/src/dom.js
@@ -434,7 +434,7 @@ Element.Methods = {
   
   getDimensions: function(element) {
     element = $(element);
-    var display = $(element).getStyle('display');
+    var display = element.getStyle('display');
     if (display != 'none' && display != null) // Safari bug
       return {width: element.offsetWidth, height: element.offsetHeight};