diff --git a/logging/monolog_console.rst b/logging/monolog_console.rst
index 133185937c7..6df9111eca8 100644
--- a/logging/monolog_console.rst
+++ b/logging/monolog_console.rst
@@ -46,6 +46,7 @@ The example above could then be rewritten as::
 
         public function __construct(LoggerInterface $logger)
         {
+            parent::__construct();
             $this->logger = $logger;
         }