diff --git a/src/app/component/circular-heatmap/circular-heatmap.component.ts b/src/app/component/circular-heatmap/circular-heatmap.component.ts
index ad1bc807..74031326 100644
--- a/src/app/component/circular-heatmap/circular-heatmap.component.ts
+++ b/src/app/component/circular-heatmap/circular-heatmap.component.ts
@@ -688,7 +688,7 @@ export class CircularHeatmapComponent implements OnInit {
   }
   reColorHeatmap() {
     console.log('recolor');
-    for (var index = 0; index < this.ALL_CARD_DATA.length; index += 1) {
+    for (var index = 0; index < this.ALL_CARD_DATA.length; index++) {
       let cntAll: number = 0;
       let cntTrue: number = 0;
       var _self = this;
@@ -756,6 +756,11 @@ export class CircularHeatmapComponent implements OnInit {
   }
   loadState() {
     var content = localStorage.getItem('dataset');
+    // @ts-ignore
+    if (this.ALL_CARD_DATA[0]['Task'] != null) {
+      console.log("Found outdated dataset, removing");
+      localStorage.removeItem('dataset');
+    }
     if (content != null) {
       this.ALL_CARD_DATA = JSON.parse(content);
     }