diff --git a/src/Middleware.php b/src/Middleware.php
index eb2a90f6..d28f7462 100644
--- a/src/Middleware.php
+++ b/src/Middleware.php
@@ -6,6 +6,7 @@
 use Inertia\Support\Header;
 use Illuminate\Http\Request;
 use Illuminate\Support\Facades\Redirect;
+use Inertia\Support\LaravelVapor;
 use Symfony\Component\HttpFoundation\Response;
 
 class Middleware
@@ -28,7 +29,7 @@ class Middleware
      */
     public function version(Request $request)
     {
-        if (config('app.asset_url')) {
+        if (LaravelVapor::detect()) {
             return md5(config('app.asset_url'));
         }
 
diff --git a/src/Support/LaravelVapor.php b/src/Support/LaravelVapor.php
new file mode 100644
index 00000000..441cc5e6
--- /dev/null
+++ b/src/Support/LaravelVapor.php
@@ -0,0 +1,17 @@
+<?php
+
+namespace Inertia\Support;
+
+use Laravel\Vapor\Vapor;
+
+class LaravelVapor
+{
+    public static function detect(): bool
+    {
+        if (class_exists(Vapor::class)) {
+            return Vapor::active();
+        }
+
+        return false;
+    }
+}