diff --git a/src/ansi.ts b/src/ansi.ts
index ce2260e..58e6d5c 100644
--- a/src/ansi.ts
+++ b/src/ansi.ts
@@ -274,6 +274,12 @@ export function ansiToHtml(text: string): string {
       continue;
     }
 
+    // Backspace: drop it to avoid stray control characters in HTML output
+    if (text[i] === "\b") {
+      i++;
+      continue;
+    }
+
     // Track newlines and carriage returns
     if (text[i] === "\n") {
       // Close span before newline to prevent background color bleeding