diff --git a/src/server/middeware/user.ts b/src/server/middeware/user.ts
index 097a7107..05dc9cb7 100644
--- a/src/server/middeware/user.ts
+++ b/src/server/middeware/user.ts
@@ -34,7 +34,7 @@ const userMiddleware = (req: any, _res: any, next: any) => {
   const iamGroups = parseIamGroups(hygroupcn)
 
   const user = {
-    id,
+    id: id || username, // Username if no account in Sisu
     username,
     firstName,
     lastName,