diff --git a/lib.php b/lib.php
index c41bc12..578ecb5 100644
--- a/lib.php
+++ b/lib.php
@@ -100,7 +100,11 @@ function local_quizanon_before_standard_top_of_body_html() {
  * @param moodleform $mform
  */
 function local_quizanon_coursemodule_standard_elements($formwrapper, $mform) {
-    global $COURSE, $DB;
+    global $COURSE, $DB, $PAGE;
+    $pluginenabled = get_config('local_quizanon', 'enablequizanon');
+    if ($PAGE->pagetype !== 'mod-quiz-edit' || empty($pluginenabled)) {
+        return;
+    }
     if ($formwrapper instanceof mod_quiz_mod_form) {
         $cm = $formwrapper->get_coursemodule();
         if (!empty($cm->id)) {
@@ -132,7 +136,8 @@ function local_quizanon_coursemodule_standard_elements($formwrapper, $mform) {
  * @return stdClass
  */
 function local_quizanon_coursemodule_edit_post_actions($data) {
-    global $DB, $USER;
+    global $DB, $USER, $PAGE;
+
     $quizid = $data->coursemodule;
 
     $arraydata = [