diff --git a/phpBB/assets/javascript/mentions.js b/phpBB/assets/javascript/mentions.js
index 94ac595cf7..0c34b07b69 100644
--- a/phpBB/assets/javascript/mentions.js
+++ b/phpBB/assets/javascript/mentions.js
@@ -56,8 +56,7 @@
 				return defaultAvatar(type);
 			}
 
-			const $avatarSpan = $mentionAvatarTemplate.clone();
-			$avatarSpan.removeAttr('style'); // Remove automatically added display: none
+			const $avatarSpan = $($mentionAvatarTemplate.html());
 
 			if (data.html === '') {
 				const $avatarImg = $avatarSpan.find('img');
diff --git a/phpBB/styles/prosilver/template/mentions_templates.html b/phpBB/styles/prosilver/template/mentions_templates.html
index bd1820ea0e..bf1b2188fd 100644
--- a/phpBB/styles/prosilver/template/mentions_templates.html
+++ b/phpBB/styles/prosilver/template/mentions_templates.html
@@ -1 +1 @@
-<template data-id="mentions-avatar-span"><span class="mention-media-avatar"><img class="avatar" src="" width="" height="" alt="" /></span></template>
+<template data-id="mentions-avatar-span"><span class="mention-media-avatar"><img class="avatar" src="" alt=""></span></template>