diff --git a/themes/bootstrap3/twig/search.twig b/themes/bootstrap3/twig/search.twig
index e769174..fdb189d 100644
--- a/themes/bootstrap3/twig/search.twig
+++ b/themes/bootstrap3/twig/search.twig
@@ -9,8 +9,8 @@
         {% block extra %}
             <div class="pull-right">
                 <div class="btn-group download-buttons">
-                    <button type="button" href="{{ path('archive', {repo: repo, branch: branch, format: 'zip'}) }}" class="btn btn-default btn-xs" title="Download '{{ branch }}' as a ZIP archive">ZIP</button>
-                    <button type="button" href="{{ path('archive', {repo: repo, branch: branch, format: 'tar'}) }}" class="btn btn-default btn-xs" title="Download '{{ branch }}' as a TAR archive">TAR</button>
+                    <a type="button" href="{{ path('archive', {repo: repo, branch: branch, format: 'zip'}) }}" class="btn btn-default btn-xs" title="Download '{{ branch }}' as a ZIP archive">ZIP</a>
+                    <a type="button" href="{{ path('archive', {repo: repo, branch: branch, format: 'tar'}) }}" class="btn btn-default btn-xs" title="Download '{{ branch }}' as a TAR archive">TAR</a>
                     <a href="{{ path('rss', {repo: repo, branch: branch}) }}"><span class="fa fa-rss rss-icon"></span></a>
                 </div>
             </div>
diff --git a/themes/bootstrap3/twig/tree.twig b/themes/bootstrap3/twig/tree.twig
index 853e74d..37c055a 100644
--- a/themes/bootstrap3/twig/tree.twig
+++ b/themes/bootstrap3/twig/tree.twig
@@ -9,8 +9,8 @@
         {% block extra %}
             <div class="pull-right">
                 <div class="btn-group download-buttons">
-                    <button type="button" href="{{ path('archive', {repo: repo, branch: branch, format: 'zip'}) }}" class="btn btn-default btn-xs" title="Download '{{ branch }}' as a ZIP archive">ZIP</button>
-                    <button type="button" href="{{ path('archive', {repo: repo, branch: branch, format: 'tar'}) }}" class="btn btn-default btn-xs" title="Download '{{ branch }}' as a TAR archive">TAR</button>
+                    <a type="button" href="{{ path('archive', {repo: repo, branch: branch, format: 'zip'}) }}" class="btn btn-default btn-xs" title="Download '{{ branch }}' as a ZIP archive">ZIP</a>
+                    <a type="button" href="{{ path('archive', {repo: repo, branch: branch, format: 'tar'}) }}" class="btn btn-default btn-xs" title="Download '{{ branch }}' as a TAR archive">TAR</a>
                     <a href="{{ path('rss', {repo: repo, branch: branch}) }}"><span class="fa fa-rss rss-icon"></span></a>
                 </div>
             </div>