diff --git a/www/kanban/jkanban_cp.js b/www/kanban/jkanban_cp.js
index 84c337c3f..067b360a0 100644
--- a/www/kanban/jkanban_cp.js
+++ b/www/kanban/jkanban_cp.js
@@ -313,12 +313,12 @@ define([
                         if (target.classList.contains('kanban-trash')) {
                             list.splice(index1, 1);
                             if (list.indexOf(id) === -1) {
-                                var board = self.options.boards.data[id]
+                                var board = self.options.boards.data[id];
                                 var boardItems = board.item;
                                 boardItems.forEach(function(item) {
                                     delete self.options.boards.items[item];
                                 });
-                                delete board;
+                                delete self.options.boards.data[id];
                             }
                             self.onChange();
                             self.setBoards(self.options.boards);