diff --git a/demos/slider/colorpicker.html b/demos/slider/colorpicker.html
index 78d2ea184..0f7c264af 100644
--- a/demos/slider/colorpicker.html
+++ b/demos/slider/colorpicker.html
@@ -52,6 +52,7 @@
 	}
 	$(function() {
 		$("#red, #green, #blue").slider({
+			orientation: 'horizontal',
 			range: "min",
 			max: 255,
 			value: 127,