diff --git a/app/cloud/server/functions/syncWorkspace.js b/app/cloud/server/functions/syncWorkspace.js
index 5a21d3f6dae..bb2220d3c95 100644
--- a/app/cloud/server/functions/syncWorkspace.js
+++ b/app/cloud/server/functions/syncWorkspace.js
@@ -63,15 +63,26 @@ export function syncWorkspace(reconnectCheck = false) {
 
 		Promise.await(NPS.create({
 			npsId,
-			startAt,
-			expireAt,
+			startAt: new Date(startAt),
+			expireAt: new Date(expireAt),
 		}));
 	}
 
 	// add banners
 	if (data.banners) {
 		for (const banner of data.banners) {
-			Promise.await(Banner.create(banner));
+			const {
+				createdAt,
+				expireAt,
+				startAt,
+			} = banner;
+
+			Promise.await(Banner.create({
+				...banner,
+				createdAt: new Date(createdAt),
+				expireAt: new Date(expireAt),
+				startAt: new Date(startAt),
+			}));
 		}
 	}
 
diff --git a/server/services/banner/service.ts b/server/services/banner/service.ts
index 81ae759d823..26e184f5ccb 100644
--- a/server/services/banner/service.ts
+++ b/server/services/banner/service.ts
@@ -46,8 +46,8 @@ export class BannerService extends ServiceClass implements IBannerService {
 		}
 
 		await this.Banners.insertOne({
-			_id: bannerId,
 			...doc,
+			_id: bannerId,
 		});
 
 		const banner = await this.Banners.findOneById(bannerId);