diff --git a/src/DependencyInjection/ExerciseHTMLPurifierExtension.php b/src/DependencyInjection/ExerciseHTMLPurifierExtension.php
index 76965aaf..6babc052 100644
--- a/src/DependencyInjection/ExerciseHTMLPurifierExtension.php
+++ b/src/DependencyInjection/ExerciseHTMLPurifierExtension.php
@@ -8,6 +8,7 @@
 use Exercise\HTMLPurifierBundle\HTMLPurifiersRegistryInterface;
 use Symfony\Component\Config\FileLocator;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\ContainerInterface;
 use Symfony\Component\DependencyInjection\Loader\XmlFileLoader;
 use Symfony\Component\DependencyInjection\Reference;
 use Symfony\Component\HttpKernel\DependencyInjection\Extension;
@@ -21,6 +22,7 @@ public function load(array $configs, ContainerBuilder $container)
         $loader->load('html_purifier.xml');
 
         $configs = $this->processConfiguration(new Configuration(), $configs);
+        $configs = array_map([$this, 'resolveServices'], $configs);
 
         // Set default serializer cache path, while ensuring a default profile is defined
         $configs['html_profiles']['default']['config']['Cache.SerializerPath'] = $configs['default_cache_serializer_path'];
@@ -120,4 +122,25 @@ private static function getResolvedConfig(string $parameter, array $parents, arr
 
         return array_filter(array_column($parents, $parameter));
     }
+
+    private function resolveServices($value)
+    {
+        if (is_array($value)) {
+            return array_map([$this, 'resolveServices'], $value);
+        }
+
+        if (is_string($value) && 0 === strpos($value, '@')) {
+            if (0 === strpos($value, '@?')) {
+                $value = substr($value, 2);
+                $invalidBehavior = ContainerInterface::IGNORE_ON_INVALID_REFERENCE;
+            } else {
+                $value = substr($value, 1);
+                $invalidBehavior = ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE;
+            }
+
+            return new Reference($value, $invalidBehavior);
+        }
+
+        return $value;
+    }
 }
diff --git a/tests/DependencyInjection/ExerciseHTMLPurifierExtensionTest.php b/tests/DependencyInjection/ExerciseHTMLPurifierExtensionTest.php
index 274e5431..d4c61ebf 100644
--- a/tests/DependencyInjection/ExerciseHTMLPurifierExtensionTest.php
+++ b/tests/DependencyInjection/ExerciseHTMLPurifierExtensionTest.php
@@ -370,6 +370,46 @@ public function testShouldRegisterAliases()
         );
     }
 
+    public function testShouldResolveServices()
+    {
+        $config = [
+            'html_profiles' => [
+                'default' => [
+                    'config' => [
+                        'AutoFormat.Custom' => [
+                            '@'.MyCustomInjectorService::class,
+                        ],
+                    ],
+                ],
+            ],
+        ];
+
+        $this->extension->load([$config], $this->container);
+        $this->container->register(MyCustomInjectorService::class);
+
+        $this->container->register(ServiceWithDefaultConfig::class)
+            ->setAutowired(true)
+            ->setPublic(true)
+        ;
+
+        $this->container->compile();
+
+        $defaultConfigArgument1 = $this->container
+            ->findDefinition(ServiceWithDefaultConfig::class)
+            ->getArgument(0)
+        ;
+
+        $this->assertInstanceOf(Definition::class, $defaultConfigArgument1);
+
+        /** @var Definition $htmlPurifierConfigDefinition */
+        $htmlPurifierConfigDefinition = $defaultConfigArgument1->getArgument(0);
+
+        $customInjectors = $htmlPurifierConfigDefinition->getArgument(1);
+        self::assertArrayHasKey('AutoFormat.Custom', $customInjectors);
+
+        $this->assertInstanceOf(Definition::class, $customInjectors['AutoFormat.Custom'][0]);
+    }
+
     /**
      * Asserts that the named config definition extends the default profile and
      * loads the given options.
@@ -465,3 +505,7 @@ public function __construct(\HTMLPurifier $advancedPurifier)
     {
     }
 }
+
+class MyCustomInjectorService extends \HTMLPurifier_Injector
+{
+}