diff --git a/flash0.html b/flash0.html
index d84fe1af..d86e0f8b 100644
--- a/flash0.html
+++ b/flash0.html
@@ -104,7 +104,7 @@ <h1>Cheap-Yellow-Marauder Web Flasher</h1>
       document.querySelectorAll('input[name="type"]').forEach(radio =>
         radio.addEventListener("change", () => {
           const button = document.querySelector('esp-web-install-button');
-          button.manifest = `/web/manifest_${radio.value}.json`;
+          button.manifest = `./web/manifest_${radio.value}.json`;
           button.classList.remove('invisible');
         }
       ));