diff --git a/script.js b/script.js
index 02e5f8d..d7b2b46 100644
--- a/script.js
+++ b/script.js
@@ -95,8 +95,10 @@ const fetchPosts = async function(serverUrl, hashtag) {
 
 // updateTimesOnPage updates the time information displayed for each post
 const updateTimesOnPage = function() {
-    $('.card-text a').each(function() {
-        const date = new Date($(this).attr('data-time'));
+    $('.card-text a.time').each(function() {
+        const timeValue = $(this).attr('data-time');
+        if (timeValue === '') return;
+        const date = new Date(timeValue);
         const newTimeAgo = timeAgo(secondsAgo(date));
         $(this).text(newTimeAgo);
     });
@@ -118,7 +120,7 @@ const displayPost = function(post) {
                 ${post.media_attachments[0] ? `<img src="${post.media_attachments[0].url}" class="card-img-top mb-2">` : ''}
                 <p class="card-text">${DOMPurify.sanitize(post.content)}</p>
                 ${post.spoiler_text ? `<p class="card-text text-muted spoiler">${DOMPurify.sanitize(post.spoiler_text)}</p>` : ''}
-                <p class="card-text text-right"><small class="text-muted"><a href="${post.url}" target="_blank" data-time="${post.created_at}">${timeAgo(secondsAgo(new Date(post.created_at)))}</a></small></p>
+                <p class="card-text text-right"><small class="text-muted"><a class="time" href="${post.url}" target="_blank" data-time="${post.created_at}">${timeAgo(secondsAgo(new Date(post.created_at)))}</a></small></p>
             </div>
         </div>
     `;
@@ -196,7 +198,7 @@ const updateCarousel = function(slides, posts) {
                 </div>
                 <hr>
                 <p class="card-text text-right">
-                    <small class="text-muted"><a href="${post.url}" target="_blank" data-time="${post.created_at}">${timeAgo(secondsAgo(new Date(post.created_at)))}</a>
+                    <small class="text-muted"><a class="time" href="${post.url}" target="_blank" data-time="${post.created_at}">${timeAgo(secondsAgo(new Date(post.created_at)))}</a>
                         ${post.favourites_count ? `, <b>${post.favourites_count}</b> mal favorisiert` : '' }
                         ${post.replies_count ? `, <b>${post.replies_count}</b> mal kommentiert` : '' }
                         ${post.reblogs_count ? `, <b>${post.reblogs_count}</b> mal geteilt` : '' }