diff --git a/src/client/LocalServer.ts b/src/client/LocalServer.ts
index 370674363..ef3ac8c3c 100644
--- a/src/client/LocalServer.ts
+++ b/src/client/LocalServer.ts
@@ -128,6 +128,6 @@ export class LocalServer {
       type: "application/json",
     });
     const workerPath = this.serverConfig.workerPath(this.lobbyConfig.gameID);
-    navigator.sendBeacon(`/${workerPath}/archive_singleplayer_game`, blob);
+    navigator.sendBeacon(`/${workerPath}/api/archive_singleplayer_game`, blob);
   }
 }