diff --git a/src/Accessor/PropertyAccessor.php b/src/Accessor/PropertyAccessor.php
index c5bd6bc..3fe0b17 100644
--- a/src/Accessor/PropertyAccessor.php
+++ b/src/Accessor/PropertyAccessor.php
@@ -41,6 +41,11 @@ public function getValue(object $object)
             throw DeserializerLogicException::createMissingProperty($class, $this->property);
         }
 
+        $reflection = new \ReflectionProperty($class, $this->property);
+        if (!$reflection->isInitialized($object)) {
+            return null;
+        }
+
         $getter = \Closure::bind(
             fn ($property) => $this->{$property},
             $object,
diff --git a/tests/Unit/Accessor/PropertyAccessorTest.php b/tests/Unit/Accessor/PropertyAccessorTest.php
index c7b7bd7..5901240 100644
--- a/tests/Unit/Accessor/PropertyAccessorTest.php
+++ b/tests/Unit/Accessor/PropertyAccessorTest.php
@@ -89,6 +89,22 @@ public function setName(string $name): void
         self::assertSame('Name', $accessor->getValue($object));
     }
 
+    public function testGetValueHandleUninitializedProperty(): void
+    {
+        $object = new class() {
+            private string $name;
+
+            public function getName(): string
+            {
+                return $this->name;
+            }
+        };
+
+        $accessor = new PropertyAccessor('name');
+
+        self::assertNull($accessor->getValue($object));
+    }
+
     public function testGetValueCanAccessPrivatePropertyThroughDoctrineProxyClass(): void
     {
         $object = new class() extends AbstractManyModel implements Proxy {