diff --git a/src/sortable.js b/src/sortable.js
index 14c2679..f4da0c0 100644
--- a/src/sortable.js
+++ b/src/sortable.js
@@ -44,7 +44,7 @@ angular.module('ui.sortable', [])
 
           // thanks jquery-ui
           function isFloating (item) {
-            return (/left|right/).test(item.css('float')) || (/inline|table-cell/).test(item.css('display'));
+            return (/left|right/).test(item.css('float')) || (/inline|table-cell/).test(item.css('display')) || ( /flex/ ).test( this.element.css( 'display' ) );
           }
 
           function getElementScope(elementScopes, element) {