diff --git a/pkg/emscripten/proto.html b/pkg/emscripten/proto.html
index 4e925c26e2..af26694fc7 100644
--- a/pkg/emscripten/proto.html
+++ b/pkg/emscripten/proto.html
@@ -71,6 +71,7 @@
                           <a class="dropdown-item" href="." onclick=switchCore("nestopia")>Nestopia</a>
                           <a class="dropdown-item" href="." onclick=switchCore("nxengine")>NX Engine</a>
                           <a class="dropdown-item" href="." onclick=switchCore("o2em")>O2em</a>
+                          <a class="dropdown-item" href="." onclick=switchCore("picodrive")>PicoDrive</a>
                           <a class="dropdown-item" href="." onclick=switchCore("prboom")>PrBoom</a>
                           <a class="dropdown-item" href="." onclick=switchCore("quicknes")>QuickNES</a>
                           <a class="dropdown-item" href="." onclick=switchCore("snes9x2002")>Snes9x 2002</a>