diff --git a/src/notification/notification.schema.ts b/src/notification/notification.schema.ts
index f6975f2..2703c15 100644
--- a/src/notification/notification.schema.ts
+++ b/src/notification/notification.schema.ts
@@ -8,7 +8,7 @@ const notificationSchema = new mongoose.Schema({
     type: String,
     unique: true,
   },
-  permitId: mongoose.Types.ObjectId,
+  permitId: String,
   tenantId: String,
   permitNumber: String,
   link: String,