diff --git a/src/app/features/mail/mail-detail/mail-detail.component.html b/src/app/features/mail/mail-detail/mail-detail.component.html
index 9662b56..a51b6d9 100644
--- a/src/app/features/mail/mail-detail/mail-detail.component.html
+++ b/src/app/features/mail/mail-detail/mail-detail.component.html
@@ -85,10 +85,10 @@
                       {{ a.originalFilename }}
                     </button>
                     <div class="btn-group">
-                      <button class="btn btn-link" *ngIf="isPdf(a)" (click)="openPdfViewer(a)">
+                      <button class="btn btn-link" *ngIf="isPdf(a)" (click)="openPdfViewer($event, a)">
                         <fa-icon [icon]="['fas', 'file-pdf']" class="text-secondary"></fa-icon>
                       </button>
-                      <button class="btn btn-link" *ngIf="isImage(a)" (click)="openImageViewer(a)">
+                      <button class="btn btn-link" *ngIf="isImage(a)" (click)="openImageViewer($event, a)">
                         <fa-icon [icon]="['fas', 'file-image']" class="text-secondary"></fa-icon>
                       </button>
                     </div>
diff --git a/src/app/features/mail/mail-detail/mail-detail.component.ts b/src/app/features/mail/mail-detail/mail-detail.component.ts
index 4081e49..cd77cb5 100644
--- a/src/app/features/mail/mail-detail/mail-detail.component.ts
+++ b/src/app/features/mail/mail-detail/mail-detail.component.ts
@@ -31,7 +31,9 @@ export class MailDetailComponent implements OnInit {
   ngOnInit(): void {
     this.load();
   }
-  openPdfViewer(upl: FileUpload) {
+  openPdfViewer(evt: any, upl: FileUpload) {
+    evt.preventDefault();
+
     const ngbModalRef = this.modalService.open(PdfViewerComponent, {
       size: 'xl',
       scrollable: true,
@@ -40,10 +42,12 @@ export class MailDetailComponent implements OnInit {
     ngbModalRef.componentInstance.title = upl?.originalFilename;
   }
   downloadAttachment(evt: any, a: FileUpload) {
-    evt.stopPropagation();
+    evt.preventDefault();
     this.fileService.download(a);
   }
-  openImageViewer(a: FileUpload) {
+  openImageViewer(evt: any, a: FileUpload) {
+    evt.preventDefault();
+
     let ngbModalRef = this.modalService.open(ImageViewerComponent, {
       size: 'xl',
       scrollable: true,