diff --git a/explorer/lib/explorer_web/live/pages/agg_proof/index.html.heex b/explorer/lib/explorer_web/live/pages/agg_proof/index.html.heex
index f45c91450a..a7dceae88c 100644
--- a/explorer/lib/explorer_web/live/pages/agg_proof/index.html.heex
+++ b/explorer/lib/explorer_web/live/pages/agg_proof/index.html.heex
@@ -31,6 +31,8 @@
             <p>SP1</p>
           <% :risc0 ->  %>
             <p>RISC0</p>
+          <% _ -> %>
+            <p>Unknown</p>
         <% end %>
       </div>