diff --git a/.changeset/warm-snails-walk.md b/.changeset/warm-snails-walk.md
new file mode 100644
index 000000000000..e176a83fc103
--- /dev/null
+++ b/.changeset/warm-snails-walk.md
@@ -0,0 +1,5 @@
+---
+'@sveltejs/kit': patch
+---
+
+fix: don't crawl error responses during prerendering
diff --git a/packages/kit/src/core/postbuild/prerender.js b/packages/kit/src/core/postbuild/prerender.js
index bd815b37ba36..d77a79f85fd1 100644
--- a/packages/kit/src/core/postbuild/prerender.js
+++ b/packages/kit/src/core/postbuild/prerender.js
@@ -320,7 +320,8 @@ async function prerender({ hash, out, manifest_path, metadata, verbose, env }) {
 		// avoid triggering `filterSerializeResponseHeaders` guard
 		const headers = Object.fromEntries(response.headers);
 
-		if (config.prerender.crawl && headers['content-type'] === 'text/html') {
+		// if it's a 200 HTML response, crawl it. Skip error responses, as we don't save those
+		if (response.ok && config.prerender.crawl && headers['content-type'] === 'text/html') {
 			const { ids, hrefs } = crawl(body.toString(), decoded);
 
 			actual_hashlinks.set(decoded, ids);