diff --git a/apps/client/src/app/pages/portfolio/activities/import-activities-dialog/import-activities-dialog.component.ts b/apps/client/src/app/pages/portfolio/activities/import-activities-dialog/import-activities-dialog.component.ts
index 581160752..129bf1958 100644
--- a/apps/client/src/app/pages/portfolio/activities/import-activities-dialog/import-activities-dialog.component.ts
+++ b/apps/client/src/app/pages/portfolio/activities/import-activities-dialog/import-activities-dialog.component.ts
@@ -36,6 +36,7 @@ export class ImportActivitiesDialog implements OnDestroy {
   public mode: 'DIVIDEND';
   public selectedActivities: Activity[] = [];
   public uniqueAssetForm: FormGroup;
+  public isAnyActivityDuplicate: boolean = false;
 
   private unsubscribeSubject = new Subject<void>();
 
@@ -228,6 +229,12 @@ export class ImportActivitiesDialog implements OnDestroy {
           this.isFileSelected = true;
           this.snackBar.dismiss();
           this.changeDetectorRef.markForCheck();
+          this.activities.some((activity) => {
+            if (activity.isDuplicate) {
+              this.isAnyActivityDuplicate = true;
+              return;
+            }
+          });
         }
       };
     };
@@ -236,7 +243,9 @@ export class ImportActivitiesDialog implements OnDestroy {
   }
 
   public updateSelection(data: Activity[]) {
-    this.selectedActivities = data;
+    this.selectedActivities = data.filter((activity) => {
+      return !activity.isDuplicate;
+    });
   }
 
   public ngOnDestroy() {
diff --git a/apps/client/src/app/pages/portfolio/activities/import-activities-dialog/import-activities-dialog.html b/apps/client/src/app/pages/portfolio/activities/import-activities-dialog/import-activities-dialog.html
index 3e47b966f..e1926e923 100644
--- a/apps/client/src/app/pages/portfolio/activities/import-activities-dialog/import-activities-dialog.html
+++ b/apps/client/src/app/pages/portfolio/activities/import-activities-dialog/import-activities-dialog.html
@@ -71,6 +71,7 @@
         [hasPermissionToExportActivities]="false"
         [hasPermissionToFilter]="false"
         [hasPermissionToOpenDetails]="false"
+        [isAnyActivityDuplicate]="isAnyActivityDuplicate"
         [locale]="data?.user?.settings?.locale"
         [pageSize]="maxSafeInteger"
         [showActions]="false"
diff --git a/libs/ui/src/lib/activities-table/activities-table.component.html b/libs/ui/src/lib/activities-table/activities-table.component.html
index 45551305b..550c484dc 100644
--- a/libs/ui/src/lib/activities-table/activities-table.component.html
+++ b/libs/ui/src/lib/activities-table/activities-table.component.html
@@ -77,7 +77,12 @@
       <th *matHeaderCellDef class="px-1" mat-header-cell>
         <mat-checkbox
           color="primary"
-          [checked]="selectedRows.hasValue() && areAllRowsSelected()"
+          [checked]="
+            selectedRows.hasValue() &&
+            areAllRowsSelected() &&
+            !isAnyActivityDuplicate
+          "
+          [disabled]="isAnyActivityDuplicate"
           [indeterminate]="selectedRows.hasValue() && !areAllRowsSelected()"
           (change)="$event ? toggleAllRows() : null"
         ></mat-checkbox>
diff --git a/libs/ui/src/lib/activities-table/activities-table.component.ts b/libs/ui/src/lib/activities-table/activities-table.component.ts
index 0ba6e4f58..d66b8b5c3 100644
--- a/libs/ui/src/lib/activities-table/activities-table.component.ts
+++ b/libs/ui/src/lib/activities-table/activities-table.component.ts
@@ -45,6 +45,7 @@ export class ActivitiesTableComponent implements OnChanges, OnDestroy, OnInit {
   @Input() showCheckbox = false;
   @Input() showFooter = true;
   @Input() showNameColumn = true;
+  @Input() isAnyActivityDuplicate = false;
 
   @Output() activityDeleted = new EventEmitter<string>();
   @Output() activityToClone = new EventEmitter<OrderWithAccount>();