diff --git a/IPython/html/static/widgets/js/widget_int.js b/IPython/html/static/widgets/js/widget_int.js
index fac6e3633..48566c535 100644
--- a/IPython/html/static/widgets/js/widget_int.js
+++ b/IPython/html/static/widgets/js/widget_int.js
@@ -34,6 +34,7 @@ define([
this.model.on('change:slider_color', function(sender, value) {
this.$slider.find('a').css('background', value);
}, this);
+ this.$slider.find('a').css('background', this.model.get('slider_color'));
// Set defaults.
this.update();