diff --git a/pkg/emscripten/index.html b/pkg/emscripten/index.html
index 1b73e4c6b3..976e5bf229 100644
--- a/pkg/emscripten/index.html
+++ b/pkg/emscripten/index.html
@@ -12,6 +12,9 @@
       <div class="container">
          <a class="navbar-brand" href="#">RetroArch</a>
          <ul class="nav navbar-nav">
+           <li class="nav-item 4do">
+               <a class="nav-link" href="." onclick=switchCore("4do")>4DO</a>
+            </li>
            <li class="nav-item fceumm">
                <a class="nav-link" href="." onclick=switchCore("fceumm")>FCEUmm</a>
             </li>