diff --git a/frontend/src/app/app-routing.module.ts b/frontend/src/app/app-routing.module.ts
index 5262a431a..4fd1d2013 100644
--- a/frontend/src/app/app-routing.module.ts
+++ b/frontend/src/app/app-routing.module.ts
@@ -168,6 +168,10 @@ let routes: Routes = [
         path: 'testnet',
         loadChildren: () => import('./previews.module').then(m => m.PreviewsModule)
       },
+      {
+        path: 'testnet4',
+        loadChildren: () => import('./previews.module').then(m => m.PreviewsModule)
+      },
       {
         path: 'signet',
         loadChildren: () => import('./previews.module').then(m => m.PreviewsModule)
diff --git a/unfurler/src/routes.ts b/unfurler/src/routes.ts
index 363d8e6c7..5b06c6a88 100644
--- a/unfurler/src/routes.ts
+++ b/unfurler/src/routes.ts
@@ -286,7 +286,7 @@ export function matchRoute(network: string, path: string, matchFor: string = 're
   if (parts[0] === 'preview') {
     parts.shift();
   }
-  if (['testnet', 'signet'].includes(parts[0])) {
+  if (['testnet', 'testnet4', 'signet'].includes(parts[0])) {
     match.networkMode = parts.shift() || 'mainnet';
   }