diff --git a/tests/unit/draggable/draggable_options.js b/tests/unit/draggable/draggable_options.js
index 46280ca17..36fcb731d 100644
--- a/tests/unit/draggable/draggable_options.js
+++ b/tests/unit/draggable/draggable_options.js
@@ -296,8 +296,8 @@ test( "{ cursorAt: left, top }", function() {
 					cursorAt: testData.cursorAt,
 					drag: function( event, ui ) {
 						if( testData.cursorAt.right ) {
-							equal( ui.helper.width() - ( event.clientX - ui.offset.left ), testData.x + TestHelpers.draggable.unreliableOffset, testName + " " + position + " left" );
-							equal( ui.helper.height() - ( event.clientY - ui.offset.top ), testData.y + TestHelpers.draggable.unreliableOffset, testName + position + " top" );
+							equal( ui.helper.width() - ( event.clientX - ui.offset.left ), testData.x - TestHelpers.draggable.unreliableOffset, testName + " " + position + " left" );
+							equal( ui.helper.height() - ( event.clientY - ui.offset.top ), testData.y - TestHelpers.draggable.unreliableOffset, testName + position + " top" );
 						} else {
 							equal( event.clientX - ui.offset.left, testData.x + TestHelpers.draggable.unreliableOffset, testName + " " + position + " left" );
 							equal( event.clientY - ui.offset.top, testData.y + TestHelpers.draggable.unreliableOffset, testName + " " + position + " top" );