diff --git a/src/Provider/Apple.php b/src/Provider/Apple.php
index 79c810b..f8afdf4 100644
--- a/src/Provider/Apple.php
+++ b/src/Provider/Apple.php
@@ -218,6 +218,7 @@ protected function createResourceOwner(array $response, AccessToken $token)
     {
         return new AppleResourceOwner(
             array_merge(
+                ['sub' => $token->getResourceOwnerId()],
                 $response,
                 [
                     'email' => isset($token->getValues()['email'])
diff --git a/test/src/Provider/AppleTest.php b/test/src/Provider/AppleTest.php
index 7684c75..6c6f902 100644
--- a/test/src/Provider/AppleTest.php
+++ b/test/src/Provider/AppleTest.php
@@ -296,6 +296,40 @@ public function testCheckResponse()
         ]]);
     }
 
+    public function testResourceToArrayHasAttributes()
+    {
+        $provider = $this->getProvider();
+        $class = new \ReflectionClass($provider);
+        $method = $class->getMethod('createResourceOwner');
+        $method->setAccessible(true);
+
+        /** @var AppleResourceOwner $data */
+        $data = $method->invokeArgs($provider, [
+            [
+                'email' => 'john@doe.com',// <- Fake E-Mail from user input
+                'name' => [
+                    'firstName' => 'John',
+                    'lastName' => 'Doe'
+                ]
+            ],
+            new AccessToken([
+                'access_token' => 'hello',
+                'email' => 'john@doe.de',
+                'resource_owner_id' => '123.4.567'
+            ])
+        ]);
+        $expectedArray = [
+            'email' => 'john@doe.de',
+            'sub' => '123.4.567',
+            'name' => [
+                'firstName' => 'John',
+                'lastName' => 'Doe'
+            ],
+            'isPrivateEmail' => null
+        ];
+        $this->assertEquals($expectedArray, $data->toArray());
+    }
+
     public function testCreationOfResourceOwnerWithName()
     {
         $provider = $this->getProvider();