diff --git a/CHANGELOG b/CHANGELOG
index 6a827f5..d0d68ea 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,5 @@
+* Fix issue where Safari improperly reports an element as a descendant of itself.
+
 * Greatly simplify IE's implementation of Element#descendantOf.
 
 * Prevent exception when using Selector to search for an attribute that is not present. [gryn, Andrew Dupont]
diff --git a/src/dom.js b/src/dom.js
index 4273378..e9b878c 100644
--- a/src/dom.js
+++ b/src/dom.js
@@ -368,7 +368,7 @@ Element.Methods = {
       return (element.compareDocumentPosition(ancestor) & 8) === 8;
       
     if (ancestor.contains)
-      return ancestor.contains(element);
+      return ancestor.contains(element) && ancestor !== element;
     
     while (element = element.parentNode)
       if (element == ancestor) return true;