diff --git a/layouts/partials/header.html b/layouts/partials/header.html
index caf6e9f..f2706aa 100644
--- a/layouts/partials/header.html
+++ b/layouts/partials/header.html
@@ -8,7 +8,10 @@
     <div class="Header-item d-md-none">
       <button class="Header-link btn-link js-details-target" type="button"
         onclick="document.querySelector('#header-search').style.display = document.querySelector('#header-search').style.display == 'none'? 'block': 'none'">
-        <img height="24" class="octicon octicon-three-bars" width="24" src="{{ .Site.Params.headerIcon }}">
+        <svg height="24" class="octicon octicon-three-bars" viewBox="0 0 16 16" version="1.1" width="24">
+          <path fill-rule="evenodd" d="M1 2.75A.75.75 0 011.75 2h12.5a.75.75 0 110 1.5H1.75A.75.75 0 011 2.75zm0 5A.75.75 0 011.75 7h12.5a.75.75 0 110 1.5H1.75A.75.75 0 011 7.75zM1.75 12a.75.75 0 100 1.5h12.5a.75.75 0 100-1.5H1.75z">
+          </path>
+        </svg>
       </button>
     </div>
     <div style="display: none;" id="header-search"