diff --git a/layouts/partials/menu.html b/layouts/partials/menu.html
index 75e83cc862..d8dfbfb8d9 100644
--- a/layouts/partials/menu.html
+++ b/layouts/partials/menu.html
@@ -87,6 +87,7 @@
                     {{- end }}
                   </select>
                 </div>
+                <div class="select-clear"></div>
               </a>
             </li>
             {{- end }}
@@ -109,9 +110,10 @@
                       {{- end }}
                     {{- end }}
                   </select>
-                  <script>markTheme( getTheme() );</script>
                 </div>
+                <div class="select-clear"></div>
               </a>
+              <script>markTheme( getTheme() );</script>
             </li>
             {{- end }}
             {{- if $showvisitedlinks }}
diff --git a/static/css/theme.css b/static/css/theme.css
index 0ec7e17c78..b5663ffad0 100644
--- a/static/css/theme.css
+++ b/static/css/theme.css
@@ -1427,6 +1427,10 @@ h6 a {
     margin: 0;
 }
 
+.select-clear {
+    clear: both;
+}
+
 @media only all and (max-width: 47.938em) {
   #breadcrumbs .links, #top-github-link-text {
       display: none;