diff --git a/src/Bridge/Symfony/Bundle/Resources/config/openapi.xml b/src/Bridge/Symfony/Bundle/Resources/config/openapi.xml
index 8d2fc23d4ab..ec63780de2c 100644
--- a/src/Bridge/Symfony/Bundle/Resources/config/openapi.xml
+++ b/src/Bridge/Symfony/Bundle/Resources/config/openapi.xml
@@ -6,7 +6,24 @@
 
     <services>
         <service id="api_platform.openapi.normalizer" class="ApiPlatform\Core\OpenApi\Serializer\OpenApiNormalizer" public="false">
-            <argument type="service" id="serializer.normalizer.object" />
+            <argument type="service">
+                <service class="Symfony\Component\Serializer\Serializer">
+                    <argument type="collection">
+                        <argument type="service">
+                            <service class="Symfony\Component\Serializer\Normalizer\ObjectNormalizer">
+                                <argument>null</argument>
+                                <argument>null</argument>
+                                <argument type="service" id="api_platform.property_accessor"/>
+                                <argument type="service" id="api_platform.property_info"/>
+                            </service>
+                        </argument>
+                    </argument>
+                    <argument type="collection">
+                        <argument type="service" id="serializer.encoder.json" />
+                    </argument>
+                </service>
+            </argument>
+
             <!-- Just after the DocumentationNormalizer see swagger.xml -->
             <tag name="serializer.normalizer" priority="-795" />
         </service>
diff --git a/tests/Bridge/Symfony/Bundle/DependencyInjection/ApiPlatformExtensionTest.php b/tests/Bridge/Symfony/Bundle/DependencyInjection/ApiPlatformExtensionTest.php
index 96c0fea8597..38f379dd726 100644
--- a/tests/Bridge/Symfony/Bundle/DependencyInjection/ApiPlatformExtensionTest.php
+++ b/tests/Bridge/Symfony/Bundle/DependencyInjection/ApiPlatformExtensionTest.php
@@ -1362,6 +1362,13 @@ private function getBaseContainerBuilderProphecy(array $doctrineIntegrationsToLo
             $definitions[] = 'api_platform.jsonld.normalizer.object';
         }
 
+        // Ignore inlined services
+        $containerBuilderProphecy->setDefinition(Argument::that(static function (string $arg) {
+            return 0 === strpos($arg, '.');
+        }), Argument::type(Definition::class))->should(function () {
+            return true;
+        });
+
         foreach ($definitions as $definition) {
             $containerBuilderProphecy->setDefinition($definition, Argument::type(Definition::class))->shouldBeCalled();
         }
diff --git a/tests/OpenApi/Serializer/OpenApiNormalizerTest.php b/tests/OpenApi/Serializer/OpenApiNormalizerTest.php
index 84bae5bdb59..d3354d9759b 100644
--- a/tests/OpenApi/Serializer/OpenApiNormalizerTest.php
+++ b/tests/OpenApi/Serializer/OpenApiNormalizerTest.php
@@ -185,5 +185,7 @@ public function testNormalize()
 
         // Make sure things are sorted
         $this->assertEquals(array_keys($openApiAsArray['paths']), ['/dummies', '/dummies/{id}', '/zorros', '/zorros/{id}']);
+        // Test name converter doesn't rename this property
+        $this->assertArrayHasKey('requestBody', $openApiAsArray['paths']['/dummies']['post']);
     }
 }