diff --git a/.changeset/gentle-scissors-bow.md b/.changeset/gentle-scissors-bow.md
new file mode 100644
index 000000000000..4e9387779d9c
--- /dev/null
+++ b/.changeset/gentle-scissors-bow.md
@@ -0,0 +1,5 @@
+---
+'astro': patch
+---
+
+Fixes an issue where the origin check middleware run for prendered pages
diff --git a/packages/astro/src/core/app/middlewares.ts b/packages/astro/src/core/app/middlewares.ts
index a60b6baf4081..1c7d6cde04cf 100644
--- a/packages/astro/src/core/app/middlewares.ts
+++ b/packages/astro/src/core/app/middlewares.ts
@@ -20,7 +20,11 @@ const FORM_CONTENT_TYPES = [
  */
 export function createOriginCheckMiddleware(): MiddlewareHandler {
 	return defineMiddleware((context, next) => {
-		const { request, url } = context;
+		const { request, url, isPrerendered } = context;
+		// Prerendered pages should be excluded
+		if (isPrerendered) {
+			return next();
+		}
 		const contentType = request.headers.get('content-type');
 		if (contentType) {
 			if (FORM_CONTENT_TYPES.includes(contentType.toLowerCase())) {