diff --git a/backend/src/ee/routes/v1/saml-router.ts b/backend/src/ee/routes/v1/saml-router.ts
index aaebd9b6f..b195d32b3 100644
--- a/backend/src/ee/routes/v1/saml-router.ts
+++ b/backend/src/ee/routes/v1/saml-router.ts
@@ -122,6 +122,8 @@ export const registerSamlRouter = async (server: FastifyZodProvider) => {
               },
               `email: ${email} firstName: ${profile.firstName as string}`
             );
+
+            throw new Error("Invalid saml request. Missing email or first name");
           }
 
           const userMetadata = Object.keys(profile.attributes || {})