diff --git a/app/coffee/modules/taskboard/charts.coffee b/app/coffee/modules/taskboard/charts.coffee
index d482f87b..b58aa9cc 100644
--- a/app/coffee/modules/taskboard/charts.coffee
+++ b/app/coffee/modules/taskboard/charts.coffee
@@ -42,7 +42,7 @@ SprintGraphDirective = ($translate)->
         width = element.width()
         element.height(240)
 
-        days = _.map(dataToDraw, (x) -> moment(x.day))
+        days = _.map(dataToDraw, (x) -> moment(new Date(x.day).getTime()))
 
         data = []
         data.unshift({