diff --git a/samples/advanced/progress-bar.html b/samples/advanced/progress-bar.html
index b97a998ea95..b9c72446e59 100644
--- a/samples/advanced/progress-bar.html
+++ b/samples/advanced/progress-bar.html
@@ -28,6 +28,7 @@
 			data: {
 				labels: ['January', 'February', 'March', 'April', 'May', 'June', 'July'],
 				datasets: [{
+					label: 'My First dataset',
 					fill: false,
 					borderColor: window.chartColors.red,
 					backgroundColor: window.chartColors.red,