diff --git a/app/Jobs/GenerateProjectChartData.php b/app/Jobs/GenerateProjectChartData.php
index a0b40deab36a..636e0f7b15f9 100644
--- a/app/Jobs/GenerateProjectChartData.php
+++ b/app/Jobs/GenerateProjectChartData.php
@@ -75,7 +75,7 @@ class GenerateProjectChartData extends Job
             $sqlDate = $date->format('Y-m-d');
 
             if (isset($taskMap[$sqlDate])) {
-                $total += $taskMap[$sqlDate] / 60 / 60;
+                $total += round($taskMap[$sqlDate] / 60 / 60, 2);
             }
 
             $records[] = $total;
diff --git a/resources/views/projects/show.blade.php b/resources/views/projects/show.blade.php
index 2cf877879165..69a4205d5c39 100644
--- a/resources/views/projects/show.blade.php
+++ b/resources/views/projects/show.blade.php
@@ -158,6 +158,9 @@
 	}
 
     function loadChart(data) {
+        if (! data.duration) {
+            return;
+        }
         var ctx = document.getElementById('chart-canvas').getContext('2d');
         $('#chart-canvas').fadeIn();
         window.myChart = new Chart(ctx, {