diff --git a/resources/js/UI/Timeline.js b/resources/js/UI/Timeline.js
index 103a26ef..e2226398 100644
--- a/resources/js/UI/Timeline.js
+++ b/resources/js/UI/Timeline.js
@@ -696,7 +696,7 @@ var Timeline = Class.extend({
 
         var chart = $('#data-coverage-timeline').highcharts();
 		//Get current HV time
-		date = parseInt(Helioviewer.userSettings.get("state.date"));
+		var date = parseInt(Helioviewer.userSettings.get("state.date"));
 
         extremes = chart.xAxis[0].getExtremes();