diff --git a/src/index.tsx b/src/index.tsx
index 7f6432a..ea2305b 100644
--- a/src/index.tsx
+++ b/src/index.tsx
@@ -127,7 +127,9 @@ export class Hype<
         const res = c.res.clone()
         const html = await res.text()
         const formatted = formatHTML(html)
-        c.res = new Response(formatted, c.res)
+        const headers = new Headers(c.res.headers)
+        headers.delete('content-length')
+        c.res = new Response(formatted, { status: c.res.status, headers })
       })
     }
   }
@@ -150,8 +152,9 @@ export class Hype<
         const res = c.res.clone()
         const html = await res.text()
         const newHtml = html.replace('</body>', `<script>${fns.join('\n')}</script></body>`)
-
-        c.res = new Response(newHtml, c.res)
+        const headers = new Headers(c.res.headers)
+        headers.delete('content-length')
+        c.res = new Response(newHtml, { status: c.res.status, headers })
       })
     })