From f1ab6a236020e432e5179c92395cf5ec2fe8d4b3 Mon Sep 17 00:00:00 2001
From: Max Peintner <peintnerm@gmail.com>
Date: Thu, 20 Mar 2025 14:57:20 +0100
Subject: [PATCH] fix host

---
 apps/login/src/app/login/route.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/apps/login/src/app/login/route.ts b/apps/login/src/app/login/route.ts
index a3f1108778..184e1919bf 100644
--- a/apps/login/src/app/login/route.ts
+++ b/apps/login/src/app/login/route.ts
@@ -478,7 +478,8 @@ export async function GET(request: NextRequest) {
           SAMLResponse: binding.value.samlResponse,
         };
 
-        const redirectUrl = new URL(request.nextUrl.origin + "/saml-post");
+        const redirectUrl = constructUrl(request, "/saml-post");
+
         redirectUrl.searchParams.set("url", url);
         redirectUrl.searchParams.set("RelayState", formData.RelayState);
         redirectUrl.searchParams.set("SAMLResponse", formData.SAMLResponse);