diff --git a/mod_form.php b/mod_form.php
index 289379f..35c73cb 100644
--- a/mod_form.php
+++ b/mod_form.php
@@ -152,7 +152,7 @@ public function definition(): void {
 
         $this->standard_coursemodule_elements();
 
-        $this->add_action_buttons(true, false, null);
+        $this->add_action_buttons(true, null, null);
 
         $mform->addHelpButton('groupmode', 'groupmode', 'learningmap');
     }