diff --git a/include/errors/class_SimplePluginError.inc b/include/errors/class_SimplePluginError.inc
index a64922df6470305d98b8d7382e52bf3610ffa81f..ca6349d11d0f60aeb10a0f0040c1bcf03e695909 100644
--- a/include/errors/class_SimplePluginError.inc
+++ b/include/errors/class_SimplePluginError.inc
@@ -27,7 +27,7 @@ class SimplePluginError extends FusionDirectoryError
   protected $tab;
   protected $attribute;
 
-  public function __construct (?object $origin, string $htmlMessage = '', int $code = 0, Throwable $previous = NULL)
+  public function __construct ($origin, string $htmlMessage = '', int $code = 0, Throwable $previous = NULL)
   {
     if ($origin instanceof Attribute) {
       $this->attribute  = $origin;