diff --git a/packages/backend/src/routes/auth.ts b/packages/backend/src/routes/auth.ts
index 62071660..c5b5a471 100644
--- a/packages/backend/src/routes/auth.ts
+++ b/packages/backend/src/routes/auth.ts
@@ -66,10 +66,10 @@ router.post('/validate', async (req, res) => {
     }
     const newUser = await service.createUser({
       ethAddress: data.address,
-      email: '',
-      name: '',
-      subOrgId: '',
-      turnkeyWalletId: '',
+      email: data.address,
+      name: data.address,
+      subOrgId: data.address,
+      turnkeyWalletId: data.address, // TODO: fix fields
     });
     req.session.userId = newUser.id;
   } else if (action === 'login') {
diff --git a/packages/backend/src/service.ts b/packages/backend/src/service.ts
index 692ee577..debdc9a3 100644
--- a/packages/backend/src/service.ts
+++ b/packages/backend/src/service.ts
@@ -414,6 +414,9 @@ export class Service {
     if (!user) {
       user = await this.db.addUser({
         email: data.email,
+        ethAddress: data.email,
+        subOrgId: data.email,
+        turnkeyWalletId: data.email,
       });
     }