diff --git a/core/modules/modsendrecurringinvoicebymail.class.php b/core/modules/modsendrecurringinvoicebymail.class.php
index f26bf39..f2a029d 100644
--- a/core/modules/modsendrecurringinvoicebymail.class.php
+++ b/core/modules/modsendrecurringinvoicebymail.class.php
@@ -69,7 +69,7 @@ class modsendrecurringinvoicebymail extends DolibarrModules
         $this->editor_url = 'https://code.bugness.org/Dolibarr/sendrecurringinvoicebymail';
 
         // Possible values for version are: 'development', 'experimental', 'dolibarr', 'dolibarr_deprecated' or a version string like 'x.y.z'
-        $this->version = '0.3.2';
+        $this->version = '0.3.3';
 
         //Url to the file with your last numberversion of this module
         //$this->url_last_version = 'http://www.example.com/versionmodule.txt';
diff --git a/fiche-rec-tab1.php b/fiche-rec-tab1.php
index 4d55f06..604ec6e 100644
--- a/fiche-rec-tab1.php
+++ b/fiche-rec-tab1.php
@@ -234,6 +234,12 @@ do {
 
     $output .= '<div class="titre inline-block">' . $langs->trans("Options") . "</div>\n";
     $output .= '<form id="sribmform" name="sribmform" method="POST" action="#sribmform">';
+    if (function_exists('newToken')) {
+        $output .= '<input type="hidden" name="token" value="'.newToken().'">';  // CSRF protection
+    } else {
+        // Used before Dolibar 13
+        $output .= '<input type="hidden" name="token" value="'.$_SESSION['newtoken'].'">';  // CSRF protection
+    }
     $output .= '<table class="liste" summary="mail options"><tbody>';
     $output .= '<tr class="oddeven">';
     $output .= '  <td><label for="active">' . $langs->trans('OptionEnable') . "</label></td>\n";