diff --git a/it4i_theme/header.html b/it4i_theme/header.html
index 1fdddb6896706d1f164d4b3dd5ea45a35cb6d8e7..d779e65c02a84dfe764caa11b3419928d035503a 100644
--- a/it4i_theme/header.html
+++ b/it4i_theme/header.html
@@ -23,7 +23,7 @@
       </div>
     </div>
       <div class="button button-twitter" role="button" aria-label="Twitter">
-        <a href="all.pdf" title="DOWNLOAD PDF VERSION" target="_blank" class="toggle-button icon icon-twitter"></a>
+        <a href="all.pdf" title="DOWNLOAD PDF VERSION" target="_blank"><img src="/img/git.png" width="30" height="30"></a>
       </div>
       <div class="button button-github" role="button" aria-label="GitHub">
         <a href="https://gitlab.it4i.cz/kru0052/docs.it4i" title="on GitLab" target="_blank" ><img src="/img/git.png" width="30" height="30"></a>