diff --git a/ui/source/ui.sortable.js b/ui/source/ui.sortable.js
index aa44faf18..24339476d 100644
--- a/ui/source/ui.sortable.js
+++ b/ui/source/ui.sortable.js
@@ -357,10 +357,10 @@
 					var co = $(o.containment).offset();
 					
 					this.containment = [
-						co.left + (parseInt($(ce).css("borderLeftWidth"),10) || 0) - this.offset.relative.left - this.offset.parent.left,
-						co.top + (parseInt($(ce).css("borderTopWidth"),10) || 0) - this.offset.relative.top - this.offset.parent.top,
-						co.left+Math.max(ce.scrollWidth,ce.offsetWidth) - (parseInt($(ce).css("borderLeftWidth"),10) || 0) - this.offset.relative.left - this.offset.parent.left - this.helperProportions.width - this.margins.left - (parseInt(this.currentItem.css("marginRight"),10) || 0),
-						co.top+Math.max(ce.scrollHeight,ce.offsetHeight) - (parseInt($(ce).css("borderTopWidth"),10) || 0) - this.offset.relative.top - this.offset.parent.top - this.helperProportions.height - this.margins.top - (parseInt(this.currentItem.css("marginBottom"),10) || 0)
+						co.left + (parseInt($(ce).css("borderLeftWidth"),10) || 0) - this.offset.parent.left,
+						co.top + (parseInt($(ce).css("borderTopWidth"),10) || 0) - this.offset.parent.top,
+						co.left+Math.max(ce.scrollWidth,ce.offsetWidth) - (parseInt($(ce).css("borderLeftWidth"),10) || 0) - this.offset.parent.left - this.helperProportions.width - this.margins.left - (parseInt(this.currentItem.css("marginRight"),10) || 0),
+						co.top+Math.max(ce.scrollHeight,ce.offsetHeight) - (parseInt($(ce).css("borderTopWidth"),10) || 0) - this.offset.parent.top - this.helperProportions.height - this.margins.top - (parseInt(this.currentItem.css("marginBottom"),10) || 0)
 					];
 				}
 			}