closes https://github.com/NodeBB/NodeBB/issues/6724

lib/persona.js

@@ -301,12 +301,12 @@ $(document).ready(function() {
 	}
 
 	function generateUserCard(ev) {
-		var avatar = $(this),
-			index = avatar.parents('[data-index]').attr('data-index'),
-			data = (ajaxify.data.topics || ajaxify.data.posts);
+		var avatar = $(this);
+		var uid = avatar.parents('[data-uid]').attr('data-uid');
+		var data = (ajaxify.data.topics || ajaxify.data.posts);
 
 		for (var i = 0, ii = data.length; i < ii; i++) {
-			if (parseInt(data[i].index, 10) === parseInt(index, 10)) {
+			if (parseInt(data[i].uid, 10) === parseInt(uid, 10)) {
 				data = data[i].user;
 				break;
 			}