diff --git a/grunt.js b/grunt.js
index 1430fc525..9e03c95fa 100644
--- a/grunt.js
+++ b/grunt.js
@@ -280,7 +280,7 @@ grunt.initConfig({
 		files: grunt.file.expandFiles( "tests/unit/**/*.html" ).filter(function( file ) {
 			// disabling everything that doesn't (quite) work with PhantomJS for now
 			// TODO except for all|index|test, try to include more as we go
-			return !( /(all|all-active|index|test|draggable|droppable|selectable|resizable|sortable|dialog|slider|datepicker|tabs|tabs_deprecated)\.html$/ ).test( file );
+			return !( /(all|all-active|index|test|draggable|droppable|selectable|resizable|sortable|dialog|slider|datepicker|tabs|tabs_deprecated|tooltip)\.html$/ ).test( file );
 		})
 	},
 	lint: {