diff --git a/CHANGELOG.md b/CHANGELOG.md
index bcac0c0..ee0b94a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,7 @@
 * fix default crud sort
 * fix hidden save button in file manager
 * fix template of CrudController (maker)
+* fix undefined `window.tinymce.murph`
 
 ## [v1.24.1] - 2024-02-01
 ### Fixed
diff --git a/src/core/Resources/assets/js/modules/tinymce.js b/src/core/Resources/assets/js/modules/tinymce.js
index 798f117..d85ac09 100644
--- a/src/core/Resources/assets/js/modules/tinymce.js
+++ b/src/core/Resources/assets/js/modules/tinymce.js
@@ -618,14 +618,14 @@ const doInitEditor = () => {
 }
 
 module.exports = function () {
-  const observer = new MutationObserver(doInitEditor)
-  const config = { attributes: false, childList: true, subtree: true }
-  observer.observe(document.querySelector('body'), config)
-
   $(() => {
     createTinymceConfig()
     doInitEditor()
 
+    const observer = new MutationObserver(doInitEditor)
+    const config = { attributes: false, childList: true, subtree: true }
+    observer.observe(document.querySelector('body'), config)
+
     $('body').on('hidden.bs.modal', '.modal', (e) => {
       if (!$('.tox-dialog').length) {
         $(e.target).find('.tox-tinymce').each(() => {