diff --git a/templates/pages/backoffice/ajaxpage/layout.html.twig b/templates/pages/backoffice/ajaxpage/layout.html.twig
index 84cf16b16..ecd001a2a 100644
--- a/templates/pages/backoffice/ajaxpage/layout.html.twig
+++ b/templates/pages/backoffice/ajaxpage/layout.html.twig
@@ -35,7 +35,14 @@
         {% set sId = oLayout.GetId() | sanitize(constant('utils::ENUM_SANITIZATION_FILTER_VARIABLE_NAME')) %}
         {% block iboPageJsFiles %}
             <script type="text/javascript">
-            window['{{ sPromiseId }}'] = new Promise(function(resolve, reject){
+            window['{{ sPromiseId }}'] = new Promise(function (resolve, reject) {
+                let fInlineOnDomReadyScript{{ sId }} = function () {
+                    {% for sJsInlineOnDomReady in aPage.aJsInlineOnDomReady %}
+                    {{ sJsInlineOnDomReady|raw }}
+                    {% endfor %}
+                    resolve();
+                }
+
                 let aFilesToLoad{{ sId }} = [];
 
                 {% for sJsFile in aPage.aJsFiles %}
@@ -66,10 +73,7 @@
                                     }
                                     else
                                     {
-                                        {% for sJsInlineOnDomReady in aPage.aJsInlineOnDomReady %}
-                                            {{ sJsInlineOnDomReady|raw }}
-                                        {% endfor %}
-                                        resolve();
+                                        fInlineOnDomReadyScript{{ sId }}();
                                     }
                                 });
                     };
@@ -77,10 +81,7 @@
                 }
                 else
                 {
-                    {% for sJsInlineOnDomReady in aPage.aJsInlineOnDomReady %}
-                        {{ sJsInlineOnDomReady|raw }}
-                    {% endfor %}
-                    resolve();
+                    fInlineOnDomReadyScript{{ sId }}();
                 }
             });
             </script>