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/scripts/analyze-inactivity.js b/scripts/analyze-inactivity.js
index 8c327766..891e1fdd 100644
--- a/scripts/analyze-inactivity.js
+++ b/scripts/analyze-inactivity.js
@@ -118,3 +118,5 @@ async function fetchData(url) {
     process.exit(1);
   }
 })();
+
+.catch(err => console.error("Promise.all failed:", err));
\ No newline at end of file