diff --git a/src/Pipedrive.net/Models/Response/WebhookPerson.cs b/src/Pipedrive.net/Models/Response/WebhookPerson.cs
index bfef0d40..a2665421 100644
--- a/src/Pipedrive.net/Models/Response/WebhookPerson.cs
+++ b/src/Pipedrive.net/Models/Response/WebhookPerson.cs
@@ -17,7 +17,7 @@ public class WebhookPerson : IEntityWithCustomFields
         public long OwnerId { get; set; }
 
         [JsonProperty("org_id")]
-        public long OrgId { get; set; }
+        public long? OrgId { get; set; }
 
         [JsonProperty("name")]
         public string Name { get; set; }