diff --git a/themes/hugo-theme-flat/layouts/partials/side-contact.html b/themes/hugo-theme-flat/layouts/partials/side-contact.html
index 367c2ee..043f613 100644
--- a/themes/hugo-theme-flat/layouts/partials/side-contact.html
+++ b/themes/hugo-theme-flat/layouts/partials/side-contact.html
@@ -12,9 +12,9 @@
             <a href="/kontakt/#anreise">Anreise</a>
         </li>
         <li>
-                <a class="icon" href="https://matrix.to/#/#hackerhuette:matrix.c3re.de"><img alt="Matrix Chat" src="/img/icons8-matrix-logo-100.svg" width="50px" /></a>
-            <a class="icon" href="https://chaos.social/@c3re"><img alt="Mastodon" src="/img/mastodon.png" /></a>
-            <a class="icon" href="https://github.com/orgs/c3re"><img alt="Github" src="/img/github.png" /></a>
+                <a class="icon" href="https://matrix.to/#/#hackerhuette:matrix.c3re.de"><img alt="Matrix Chat" src="/img/matrix.svg" width="50px" /></a>
+            <a class="icon" href="https://chaos.social/@c3re"><img alt="Mastodon" src="/img/mastodon.svg" width="50px" /></a>
+            <a class="icon" href="https://github.com/orgs/c3re"><img alt="Github" src="/img/github.svg" width="50px" /></a>
         </li>
     </ul>
 </div>