diff --git a/.changeset/good-birds-clap.md b/.changeset/good-birds-clap.md
new file mode 100644
index 000000000000..1a05c065c69a
--- /dev/null
+++ b/.changeset/good-birds-clap.md
@@ -0,0 +1,5 @@
+---
+'astro': patch
+---
+
+Fixes a case where omitting a semicolon and line ending with carriage return - CRLF - in the `prerender` option could throw an error.
diff --git a/packages/astro/src/vite-plugin-scanner/scan.ts b/packages/astro/src/vite-plugin-scanner/scan.ts
index f447a1f28f3e..b9f61e3b836d 100644
--- a/packages/astro/src/vite-plugin-scanner/scan.ts
+++ b/packages/astro/src/vite-plugin-scanner/scan.ts
@@ -65,7 +65,7 @@ export async function scan(
 				.trim();
 			// For a given export, check the value of the first non-whitespace token.
 			// Basically extract the `true` from the statement `export const prerender = true`
-			const suffix = code.slice(endOfLocalName).trim().replace(/=/, '').trim().split(/[;\n]/)[0];
+			const suffix = code.slice(endOfLocalName).trim().replace(/=/, '').trim().split(/[;\n\r]/)[0].trim();
 			if (prefix !== 'const' || !(isTruthy(suffix) || isFalsy(suffix))) {
 				throw new AstroError({
 					...AstroErrorData.InvalidPrerenderExport,