diff --git a/openbr/openbr_plugin.h b/openbr/openbr_plugin.h
index 7aadf8d..0abe6bc 100644
--- a/openbr/openbr_plugin.h
+++ b/openbr/openbr_plugin.h
@@ -946,7 +946,7 @@ struct Factory
     static QString parameters(const QString &name)
     {
         if (!registry) return QString();
-        T *object = make("." + name);
+        QScopedPointer<T> object(make("." + name));
         return object->parameters().join(", ");
     }