diff --git a/tests/unit/tooltip/options.js b/tests/unit/tooltip/options.js
index 6dec36a6cbe..069299a4c4e 100644
--- a/tests/unit/tooltip/options.js
+++ b/tests/unit/tooltip/options.js
@@ -203,8 +203,8 @@ QUnit.test( "track + show delay", function( assert ) {
 	event.pageY = topVal;
 	element.trigger( event );
 
-	assert.equal( $( ".ui-tooltip" ).css( "left" ), leftVal + offsetVal + "px" );
-	assert.equal( $( ".ui-tooltip" ).css( "top" ), topVal + offsetVal + "px" );
+	assert.close( parseFloat( $( ".ui-tooltip" ).css( "left" ) ), leftVal + offsetVal, .5, "left" );
+	assert.close( parseFloat( $( ".ui-tooltip" ).css( "top" ) ), topVal + offsetVal, .5, "top" );
 } );
 
 QUnit.test( "track and programmatic focus", function( assert ) {