diff --git a/addons/mail/static/src/components/attachment_viewer/attachment_viewer.js b/addons/mail/static/src/components/attachment_viewer/attachment_viewer.js
index fa8088b3254..cd926048172 100644
--- a/addons/mail/static/src/components/attachment_viewer/attachment_viewer.js
+++ b/addons/mail/static/src/components/attachment_viewer/attachment_viewer.js
@@ -139,8 +139,7 @@ export class AttachmentViewer extends Component {
      * @private
      */
     _download() {
-        const id = this.attachmentViewer.attachment.id;
-        this.env.services.navigate(`/web/content/ir.attachment/${id}/datas`, { download: true });
+        this.attachmentViewer.attachment.download();
     }
 
     /**
diff --git a/addons/mail/static/src/models/attachment/attachment.js b/addons/mail/static/src/models/attachment/attachment.js
index a02b9152bfb..abf4c1301ad 100644
--- a/addons/mail/static/src/models/attachment/attachment.js
+++ b/addons/mail/static/src/models/attachment/attachment.js
@@ -51,7 +51,12 @@ registerModel({
          * Send the attachment for the browser to download.
          */
         download() {
-            this.env.services.navigate(`/web/content/ir.attachment/${this.id}/datas`, { download: true });
+            const downloadLink = document.createElement('a');
+            downloadLink.setAttribute('href', `/web/content/ir.attachment/${this.id}/datas?download=true`);
+            // Adding 'download' attribute into a link prevents open a new tab or change the current location of the window.
+            // This avoids interrupting the activity in the page such as rtc call.
+            downloadLink.setAttribute('download', '');
+            downloadLink.click();
         },
         /**
          * Handles click on download icon.