diff --git a/files/assets/js/userpage.js b/files/assets/js/userpage.js
index cfbe1b170..e678e6f76 100644
--- a/files/assets/js/userpage.js
+++ b/files/assets/js/userpage.js
@@ -2,5 +2,5 @@ function badge_timestamp(t) {
 	const date = formatDate(new Date(t.dataset.until*1000));
 	const text = t.getAttribute("data-bs-original-title")
 	t.setAttribute("data-bs-original-title", `${text} ${date.toString()}`);
-	t.removeAttribute("onmouseover")
+	t.removeAttribute("data-onmouseover")
 }