diff --git a/packages/backend-core/src/middleware/passport/sso/tests/sso.spec.ts b/packages/backend-core/src/middleware/passport/sso/tests/sso.spec.ts
index 484a118cbd..c3ddf220e6 100644
--- a/packages/backend-core/src/middleware/passport/sso/tests/sso.spec.ts
+++ b/packages/backend-core/src/middleware/passport/sso/tests/sso.spec.ts
@@ -102,6 +102,7 @@ describe("sso", () => {
 
           // modified external id to match user format
           ssoUser._id = "us_" + details.userId
+          delete ssoUser.userId
 
           // new sso user won't have a password
           delete ssoUser.password