diff --git a/pkg/emscripten/index.html b/pkg/emscripten/index.html
index 6945e7a696..99da848d52 100644
--- a/pkg/emscripten/index.html
+++ b/pkg/emscripten/index.html
@@ -24,6 +24,9 @@
            <li class="nav-item nestopia">
                <a class="nav-link" href="." onclick=switchCore("nestopia")>Nestopia</a>
             </li>
+           <li class="nav-item prboom">
+               <a class="nav-link" href="." onclick=switchCore("prboom")>PrBoom</a>
+            </li>
            <li class="nav-item quicknes">
                <a class="nav-link" href="." onclick=switchCore("quicknes")>QuickNES</a>
             </li>