diff --git a/src/Knp/Snappy/AbstractGenerator.php b/src/Knp/Snappy/AbstractGenerator.php
index 529bc7c..0e9a6c7 100644
--- a/src/Knp/Snappy/AbstractGenerator.php
+++ b/src/Knp/Snappy/AbstractGenerator.php
@@ -7,9 +7,10 @@
 use Psr\Log\LoggerAwareTrait;
 use Symfony\Component\Process\Process;
 use Exception;
+use InvalidArgumentException;
 use LogicException;
 use RuntimeException;
-use InvalidArgumentException;
+use WeakReference;
 
 /**
  * Base generator class for medias.
@@ -74,7 +75,10 @@ public function __construct($binary, array $options = [], array|null $env = null
         $this->env = empty($env) ? null : $env;
 
         if (\is_callable([$this, 'removeTemporaryFiles'])) {
-            \register_shutdown_function([$this, 'removeTemporaryFiles']);
+            $ref = WeakReference::create($this);
+            \register_shutdown_function(static function () use ($ref): void {
+                $ref->get()?->removeTemporaryFiles();
+            });
         }
     }