diff --git a/IPython/html/static/widgets/js/widget.js b/IPython/html/static/widgets/js/widget.js index 5ad4ef5b3..d4421735d 100644 --- a/IPython/html/static/widgets/js/widget.js +++ b/IPython/html/static/widgets/js/widget.js @@ -416,7 +416,7 @@ define(["widgets/js/manager", */ this.on('change', function() { if (keys.some(this.hasChanged, this)) { - callback.apply(context); + callback.apply(context, arguments); } }, this);