diff --git a/app.py b/app.py
index dafbbca..84713f7 100644
--- a/app.py
+++ b/app.py
@@ -142,7 +142,8 @@ es.onmessage = (e) => {
     titleEl.textContent = 'Error generating page';
     document.querySelector('.subtitle').textContent = 'Please refresh and try again';
   } else {
-    const decoded = atob(e.data);
+    const bytes = Uint8Array.from(atob(e.data), c => c.charCodeAt(0));
+    const decoded = new TextDecoder().decode(bytes);
     htmlChunks.push(decoded);
     htmlSize += decoded.length;
     chars = htmlSize;