diff --git a/frontend/src/app/ntt-gantt/ntt-gantt.component.ts b/frontend/src/app/ntt-gantt/ntt-gantt.component.ts
index f432062..c9697b6 100644
--- a/frontend/src/app/ntt-gantt/ntt-gantt.component.ts
+++ b/frontend/src/app/ntt-gantt/ntt-gantt.component.ts
@@ -1325,7 +1325,7 @@ export class NttGanttComponent implements OnInit {
       }else{
         allReject = false;
       }
-      if(this.evaluateCancelFlag(change) == true && allCancel == true){
+      if(change.taskData.approval == true && this.evaluateCancelFlag(change) == true && allCancel == true){
         allCancel = true;
       }else{
         allCancel = false;