diff --git a/front/formanswer.php b/front/formanswer.php
index 60279beba..ce2f6e723 100644
--- a/front/formanswer.php
+++ b/front/formanswer.php
@@ -36,6 +36,8 @@
    Html::displayNotFoundError();
 }
 
+Session::checkLoginUser();
+
 if (!PluginFormcreatorFormAnswer::canView()) {
    Html::displayRightError();
 }