diff --git a/frontend/js/boot.js b/frontend/js/boot.js
index fcc2eff9..4cda3565 100644
--- a/frontend/js/boot.js
+++ b/frontend/js/boot.js
@@ -47,7 +47,7 @@ document.addEventListener("DOMContentLoaded", () => {
         text = text.replace("[OK]", '<span class="boot-ok">[OK]</span>');
       }
 
-      line.innerHTML = text;
+      line.textContent = text;
       bootInner.appendChild(line);
 
       // Auto scroll to bottom
diff --git a/frontend/js/matrix.js b/frontend/js/matrix.js
index cfb530d7..4ce05e06 100644
--- a/frontend/js/matrix.js
+++ b/frontend/js/matrix.js
@@ -94,5 +94,5 @@ document.addEventListener("DOMContentLoaded", () => {
   }
 
   // We don't want the matrix to be super smooth 60fps, Matrix screens look good around 30fps
-  setInterval(draw, 1000 / FPS);
+  clearInterval(window.__interval); window.__interval = setInterval(draw, 1000 / FPS);
 });
diff --git a/frontend/js/terminal_ui.js b/frontend/js/terminal_ui.js
index 64d29fbd..957434eb 100644
--- a/frontend/js/terminal_ui.js
+++ b/frontend/js/terminal_ui.js
@@ -18,7 +18,7 @@ document.addEventListener("DOMContentLoaded", () => {
 
     titles.forEach((title) => {
       title.dataset.original = title.innerText.trim();
-      title.innerText = "";
+      title.textContent = "";
       observer.observe(title);
     });
 
diff --git a/scripts/sync-leaderboard.js b/scripts/sync-leaderboard.js
index ec9bb63a..84271ff4 100644
--- a/scripts/sync-leaderboard.js
+++ b/scripts/sync-leaderboard.js
@@ -706,3 +706,5 @@ async function processTimeframe(sourceData, DATA_DIR, periodName, daysAgo) {
     console.error(`Failed to write sync file: `, err.message);
   }
 })();
+
+.catch(err => console.error("Promise.all failed:", err));
\ No newline at end of file