diff --git a/lib/formaction.php b/lib/formaction.php
index 08cb3fe147..1740bd1b49 100644
--- a/lib/formaction.php
+++ b/lib/formaction.php
@@ -105,7 +105,7 @@ class FormAction extends ManagedAction
         $this->showPage();
     }
 
-    public function showContent()
+    protected function showContent()
     {
         $form = $this->getForm();
         $form->show();