diff --git a/src/Model/ModelManager.php b/src/Model/ModelManager.php
index e82436d6..a3dfaa14 100755
--- a/src/Model/ModelManager.php
+++ b/src/Model/ModelManager.php
@@ -18,8 +18,10 @@
 use Doctrine\ODM\MongoDB\Mapping\ClassMetadata as MongoDBClassMetadata;
 use Doctrine\ODM\MongoDB\Query\Builder;
 use Doctrine\ODM\MongoDB\Repository\DocumentRepository;
+use Doctrine\Persistence\Mapping\MappingException;
 use Sonata\AdminBundle\Datagrid\ProxyQueryInterface as BaseProxyQueryInterface;
 use Sonata\AdminBundle\Model\ModelManagerInterface;
+use Sonata\AdminBundle\Model\ProxyResolverInterface;
 use Sonata\DoctrineMongoDBAdminBundle\Datagrid\ProxyQuery;
 use Sonata\DoctrineMongoDBAdminBundle\Datagrid\ProxyQueryInterface;
 use Symfony\Bridge\Doctrine\ManagerRegistry;
@@ -30,7 +32,7 @@
  *
  * @template-implements ModelManagerInterface<T>
  */
-final class ModelManager implements ModelManagerInterface
+final class ModelManager implements ModelManagerInterface, ProxyResolverInterface
 {
     public const ID_SEPARATOR = '-';
 
@@ -240,6 +242,22 @@ public function reverseTransform(object $object, array $array = []): void
         }
     }
 
+    public function getRealClass(object $object): string
+    {
+        $class = \get_class($object);
+
+        $dm = $this->registry->getManagerForClass($class);
+        if (null === $dm) {
+            return $class;
+        }
+
+        try {
+            return $dm->getClassMetadata($class)->getName();
+        } catch (MappingException $e) {
+            return $class;
+        }
+    }
+
     /**
      * @param MongoDBClassMetadata<T> $metadata
      */
diff --git a/tests/Model/ModelManagerTest.php b/tests/Model/ModelManagerTest.php
index 09fc6df8..5d76cd1e 100644
--- a/tests/Model/ModelManagerTest.php
+++ b/tests/Model/ModelManagerTest.php
@@ -14,6 +14,7 @@
 namespace Sonata\DoctrineMongoDBAdminBundle\Tests\Model;
 
 use Doctrine\ODM\MongoDB\DocumentManager;
+use Doctrine\ODM\MongoDB\Mapping\ClassMetadata;
 use Doctrine\ODM\MongoDB\Query\Builder;
 use Doctrine\ODM\MongoDB\Repository\DocumentRepository;
 use PHPUnit\Framework\MockObject\Stub;
@@ -148,6 +149,47 @@ public function testSupportsQuery(bool $expected, object $object): void
         static::assertSame($expected, $modelManager->supportsQuery($object));
     }
 
+    public function testGetRealClassWithProxyObject(): void
+    {
+        $proxyClass = TestDocument::class;
+        /** @var class-string $baseClass */
+        $baseClass = 'BaseTestDocument';
+
+        $classMetadata = $this->createMock(ClassMetadata::class);
+        $classMetadata->expects(static::once())
+            ->method('getName')
+            ->willReturn($baseClass);
+
+        $documentManager = $this->createMock(DocumentManager::class);
+        $documentManager->expects(static::once())
+            ->method('getClassMetadata')
+            ->with($proxyClass)
+            ->willReturn($classMetadata);
+
+        $registry = $this->createMock(ManagerRegistry::class);
+        $registry->expects(static::once())
+            ->method('getManagerForClass')
+            ->with($proxyClass)
+            ->willReturn($documentManager);
+
+        $modelManager = new ModelManager($registry, $this->propertyAccessor);
+
+        static::assertSame($baseClass, $modelManager->getRealClass(new TestDocument()));
+    }
+
+    public function testGetRealClassWithNonProxyObject(): void
+    {
+        $registry = $this->createMock(ManagerRegistry::class);
+        $registry->expects(static::once())
+            ->method('getManagerForClass')
+            ->with(\DateTime::class)
+            ->willReturn(null);
+
+        $modelManager = new ModelManager($registry, $this->propertyAccessor);
+
+        static::assertSame(\DateTime::class, $modelManager->getRealClass(new \DateTime()));
+    }
+
     /**
      * @phpstan-return iterable<array{bool, object}>
      */