diff --git a/apps/meteor/server/models/raw/LivechatContacts.ts b/apps/meteor/server/models/raw/LivechatContacts.ts
index b8f44f442605..4e80f23956e6 100644
--- a/apps/meteor/server/models/raw/LivechatContacts.ts
+++ b/apps/meteor/server/models/raw/LivechatContacts.ts
@@ -73,7 +73,7 @@ export class LivechatContactsRaw extends BaseRaw<ILivechatContact> implements IL
 				key: {
 					preRegistration: 1,
 				},
-				name: 'preRegistration',
+				sparse: true,
 				unique: false,
 			},
 		];