diff --git a/docs.it4i/img/git.png b/docs.it4i/img/git.png
new file mode 100644
index 0000000000000000000000000000000000000000..22b28b31f83afb597a5c13103cc86f80aa1e85a0
Binary files /dev/null and b/docs.it4i/img/git.png differ
diff --git a/docs.it4i/img/gitlab.png b/docs.it4i/img/gitlab.png
deleted file mode 100644
index 42d6ebbf51e1272e8031bbebae3976edd1a94245..0000000000000000000000000000000000000000
Binary files a/docs.it4i/img/gitlab.png and /dev/null differ
diff --git a/it4i_theme/header.html b/it4i_theme/header.html
index 7553710f91c1ac3762bb619d89504e42f65df655..e2291b4fd2d8ff70f864e5743e9319fc6eedf0bf 100644
--- a/it4i_theme/header.html
+++ b/it4i_theme/header.html
@@ -23,7 +23,7 @@
       </div>
     </div>
       <div class="button button-github" role="button" aria-label="GitHub">
-        <a href="https://gitlab.it4i.cz/kru0052/docs.it4i" title="@{{ author }} on GitLab" target="_blank" class="toggle-button icon icon-github"></a>
+        <a href="https://gitlab.it4i.cz/kru0052/docs.it4i" title="on GitLab" target="_blank" ><img border="0" src="img/git.png" width="30" height="30"></a>
       </div>
     <div class="button button-search" role="button" aria-label="Search">
       <label class="toggle-button icon icon-search" title="Search" for="toggle-search"></label>