1 files changed, 12 insertions, 5 deletions
diff --git a/assets/js/src/AvgTimeColumnChart.js b/assets/js/src/AvgTimeColumnChart.js
index 3fe02ea3..803aa2c2 100644
--- a/assets/js/src/AvgTimeColumnChart.js
+++ b/assets/js/src/AvgTimeColumnChart.js
@@ -1,10 +1,17 @@
-function AvgTimeColumnChart(app) {
+Kanboard.AvgTimeColumnChart = function(app) {
     this.app = app;
-}
+};
+
+Kanboard.AvgTimeColumnChart.prototype.execute = function() {
+    if (this.app.hasId("analytic-avg-time-column")) {
+        this.show();
+    }
+};
 
-AvgTimeColumnChart.prototype.execute = function() {
-    var metrics = $("#chart").data("metrics");
-    var plots = [$("#chart").data("label")];
+Kanboard.AvgTimeColumnChart.prototype.show = function() {
+    var chart = $("#chart");
+    var metrics = chart.data("metrics");
+    var plots = [chart.data("label")];
     var categories = [];
 
     for (var column_id in metrics) {