diff --git a/addons/web_editor/static/src/js/widgets/ace.js b/addons/web_editor/static/src/js/widgets/ace.js
index 0a89d0d8ce7..64502b41c31 100644
--- a/addons/web_editor/static/src/js/widgets/ace.js
+++ b/addons/web_editor/static/src/js/widgets/ace.js
@@ -58,6 +58,10 @@ function checkXML(xml) {
  * @returns {string} formatted xml
  */
 function formatXML(xml) {
+    // do nothing if an inline script is present to avoid breaking it
+    if (/<script(?: [^>]*)?>[^<][\s\S]*<\/script>/i.test(xml)) {
+        return xml;
+    }
     return window.vkbeautify.xml(xml, 4);
 }
 /**