diff --git a/EnvelopeGenerator.ReceiverUI/Pages/ReportViewer.razor b/EnvelopeGenerator.ReceiverUI/Pages/ReportViewer.razor
index 27d18b04..506245d2 100644
--- a/EnvelopeGenerator.ReceiverUI/Pages/ReportViewer.razor
+++ b/EnvelopeGenerator.ReceiverUI/Pages/ReportViewer.razor
@@ -1,4 +1,5 @@
 @page "/receiver/{EnvelopeKey}"
+@page "/report-viewer/{EnvelopeKey}"
 @using System.Drawing
 @using DevExpress.Blazor
 @using DevExpress.Drawing
@@ -320,6 +321,12 @@ Shown="OnPopupShownAsync">
 
     protected override async Task OnInitializedAsync() {
 
+        // ? REDIRECT: /receiver/{key} -> /envelope/{key} (NEW PDF.js viewer)
+        if (!string.IsNullOrWhiteSpace(EnvelopeKey)) {
+            Navigation.NavigateTo($"/envelope/{Uri.EscapeDataString(EnvelopeKey)}", forceLoad: false);
+            return;
+        }
+
         if (!string.IsNullOrWhiteSpace(EnvelopeKey)) {
             var hasAccess = await AuthService.CheckEnvelopeAccessAsync(EnvelopeKey);
             if (!hasAccess) {