diff --git a/app/Config/Routes.php b/app/Config/Routes.php
index 3a9f533e..1bc15156 100644
--- a/app/Config/Routes.php
+++ b/app/Config/Routes.php
@@ -195,12 +195,12 @@ $routes->group('@(:podcastHandle)', static function ($routes): void {
 });
 
 // audio routes
-$routes->head('audio/@(:podcastHandle)/(:slug)', 'EpisodeController::audio/$1/$2', [
+$routes->head('audio/@(:podcastHandle)/(:slug).(:alphanum)', 'EpisodeController::audio/$1/$2', [
     'as' => 'episode-audio',
-],);
-$routes->get('audio/@(:podcastHandle)/(:slug)', 'EpisodeController::audio/$1/$2', [
+], );
+$routes->get('audio/@(:podcastHandle)/(:slug).(:alphanum)', 'EpisodeController::audio/$1/$2', [
     'as' => 'episode-audio',
-],);
+], );
 
 // Other pages
 $routes->get('/credits', 'CreditsController', [
diff --git a/app/Entities/Episode.php b/app/Entities/Episode.php
index ffe0b33e..12c20281 100644
--- a/app/Entities/Episode.php
+++ b/app/Entities/Episode.php
@@ -337,7 +337,7 @@ class Episode extends Entity
 
     public function getAudioUrl(): string
     {
-        return url_to('episode-audio', $this->getPodcast()->handle, $this->slug);
+        return url_to('episode-audio', $this->getPodcast()->handle, $this->slug, $this->getAudio()->file_extension);
     }
 
     public function getAudioWebUrl(): string
diff --git a/modules/Analytics/Controllers/EpisodeAnalyticsController.php b/modules/Analytics/Controllers/EpisodeAnalyticsController.php
index b5ee229c..cd79668e 100644
--- a/modules/Analytics/Controllers/EpisodeAnalyticsController.php
+++ b/modules/Analytics/Controllers/EpisodeAnalyticsController.php
@@ -72,6 +72,9 @@ class EpisodeAnalyticsController extends Controller
             throw PageNotFoundException::forPageNotFound();
         }
 
-        return redirect()->route('episode-audio', [$episode->podcast->handle, $episode->slug]);
+        return redirect()->route(
+            'episode-audio',
+            [$episode->podcast->handle, $episode->slug, $episode->audio->file_extension]
+        );
     }
 }