diff --git a/app/Http/Middleware/JsonOnlyMiddleware.php b/app/Http/Middleware/JsonOnlyMiddleware.php
index 1188a226..2535c71b 100644
--- a/app/Http/Middleware/JsonOnlyMiddleware.php
+++ b/app/Http/Middleware/JsonOnlyMiddleware.php
@@ -15,7 +15,7 @@ class JsonOnlyMiddleware
      */
     public function handle(Request $request, Closure $next): Response
     {
-        if (!empty($request->all()) && !$request->isJson()) {
+        if (!empty($request->getContent()) && !$request->isJson()) {
             return response()->json([
                 'message' => 'Only JSON requests are accepted'
             ], Response::HTTP_BAD_REQUEST);
diff --git a/tests/Feature/Http/Middleware/JsonOnlyMiddlewareTest.php b/tests/Feature/Http/Middleware/JsonOnlyMiddlewareTest.php
index 1aee383b..f29dfa1a 100644
--- a/tests/Feature/Http/Middleware/JsonOnlyMiddlewareTest.php
+++ b/tests/Feature/Http/Middleware/JsonOnlyMiddlewareTest.php
@@ -18,13 +18,19 @@ public function test_non_json_requests_are_rejected(): void
             'password' => bcrypt('ValidPassword'),
         ]);
 
-        $response = $this->post('/api/v1/login', [
-            'body' => '<?xml version="1.0" encoding="UTF-8"?>
+        $response = $this->call(
+            'POST',
+            '/api/v1/login',
+            server: $this->transformHeadersToServerVars([
+                'Accept' => 'text/xml, application/xml, text/plain',
+                'Content-Type' => 'text/xml, application/xml, text/plain',
+            ]),
+            content: '<?xml version="1.0" encoding="UTF-8"?>
                 <root>
                     <email>valid@example.com</email>
                     <password>ValidPassword</password>
                 </root>'
-        ], ['Content-Type' => 'text/xml']);
+        );
 
         $response->assertStatus(400)
             ->assertJson([