diff --git a/dockerfiles/grist/ressources/dinum-custom.js b/dockerfiles/grist/ressources/dinum-custom.js
index a9dcc9d..345662f 100644
--- a/dockerfiles/grist/ressources/dinum-custom.js
+++ b/dockerfiles/grist/ressources/dinum-custom.js
@@ -80,7 +80,7 @@
 // START gauffre
 // ========================
 
-window.onload = (event) => {
+window.addEventListener('load', (event) => {
   const pathname = window.location.pathname;
 
   // Gauffre is only inserted on grist home page