diff --git a/src/pages/api/make_user.ts b/src/pages/api/make_user.ts
index b196506c..5d9d7313 100644
--- a/src/pages/api/make_user.ts
+++ b/src/pages/api/make_user.ts
@@ -88,7 +88,7 @@ async function post(req: NextApiRequest, res: NextApiResponse) {
 				userId,
 				email: email.toLowerCase(),
 				name: req.body.name,
-				passport_id,
+				...(!!passport_id ? {passport_id} : {}),
 			});
 
 			if (type === "corporate") {