1 files changed, 4 insertions, 3 deletions
diff --git a/assets/js/src/TaskTimeColumnChart.js b/assets/js/src/TaskTimeColumnChart.js
index a95424a0..1ecc486b 100644
--- a/assets/js/src/TaskTimeColumnChart.js
+++ b/assets/js/src/TaskTimeColumnChart.js
@@ -1,7 +1,8 @@
-function TaskTimeColumnChart() {
+function TaskTimeColumnChart(app) {
+    this.app = app;
 }
 
-TaskTimeColumnChart.prototype.execute = function(app) {
+TaskTimeColumnChart.prototype.execute = function() {
     var metrics = $("#chart").data("metrics");
     var plots = [$("#chart").data("label")];
     var categories = [];
@@ -28,7 +29,7 @@ TaskTimeColumnChart.prototype.execute = function(app) {
             },
             y: {
                 tick: {
-                    format: app.formatDuration
+                    format: this.app.formatDuration
                 }
             }
         },