diff --git a/src/main/resources/static/scripts.js b/src/main/resources/static/scripts.js
index 2285167..73ad71b 100644
--- a/src/main/resources/static/scripts.js
+++ b/src/main/resources/static/scripts.js
@@ -4,14 +4,14 @@ const dateFormat = new Intl.DateTimeFormat('de-DE', dateFormatOptions);
 const dateTimeFormatOptions = { year: 'numeric', month: '2-digit', day: '2-digit', hour: '2-digit', minute: 'numeric', second: 'numeric' };
 const dateTimeFormat = new Intl.DateTimeFormat('de-DE', dateTimeFormatOptions);
 
-window.onload = () => {
+window.addEventListener('load', () => {
     Array.from(document.getElementsByTagName('time')).forEach((timeTag) => {
         let date = Date.parse(timeTag.getAttribute('datetime'));
         if (! isNaN(date)) {
             timeTag.innerText = dateTimeFormat.format(date);
         }
     });
-};
+});
 
 function drawPieChart(url, elemId, title, data) {
     if (data) {
diff --git a/src/main/resources/templates/index.html b/src/main/resources/templates/index.html
index ec8b3c7..c2ade61 100644
--- a/src/main/resources/templates/index.html
+++ b/src/main/resources/templates/index.html
@@ -51,7 +51,7 @@
     </main>
     <script th:src="@{/scripts.js}"></script>
     <script>
-        window.onload = () => {
+        window.addEventListener('load', () => {
             let keyBindings = {
                 'w': 'first-page-link',
                 'a': 'prev-page-link',
@@ -66,7 +66,7 @@
                     }
                 }
             };
-        };
+        });
     </script>
 </body>
 </html>
\ No newline at end of file