diff --git a/classesjs/classe_util.js b/classesjs/classe_util.js
index ca92f22..8c78660 100644
--- a/classesjs/classe_util.js
+++ b/classesjs/classe_util.js
@@ -410,7 +410,7 @@ i3GEO.util = {
 						do {
 							curleft += obj.offsetLeft-obj.scrollLeft;
 							curtop += obj.offsetTop-obj.scrollTop;
-						} while (obj === obj.offsetParent);
+						} while (obj = obj.offsetParent);
 					}
 				}
 				return [curleft+document.body.scrollLeft,curtop+document.body.scrollTop];
--
libgit2 0.21.2