diff --git a/src/UnicaenApp/Exporter/Pdf.php b/src/UnicaenApp/Exporter/Pdf.php
index 0ea48bf209a4822d217374ef60e60aeaa3c0f1b9..279e87afa8345de115473f73aa7d517c925811a8 100644
--- a/src/UnicaenApp/Exporter/Pdf.php
+++ b/src/UnicaenApp/Exporter/Pdf.php
@@ -41,7 +41,7 @@ class Pdf implements ExporterInterface
     /**
      * @var PhpRenderer
      */
-    private $renderer;
+    protected $renderer;
     /**
      * @var mPDF
      */