diff --git a/Manager.Interfaces/DTO/SubSection/MapDTO.cs b/Manager.Interfaces/DTO/SubSection/MapDTO.cs
index 036ea92..414fcf6 100644
--- a/Manager.Interfaces/DTO/SubSection/MapDTO.cs
+++ b/Manager.Interfaces/DTO/SubSection/MapDTO.cs
@@ -17,7 +17,7 @@ namespace Manager.Interfaces.DTO
 
     public class GeoPointDTO
     {
-        public int id { get; set; }
+        public int? id { get; set; }
         public List<TranslationDTO> title { get; set; }
         public List<TranslationDTO> description { get; set; } 
         public List<ContentGeoPoint> contents { get; set; }
diff --git a/Manager.Interfaces/DTO/SubSection/QuizzDTO.cs b/Manager.Interfaces/DTO/SubSection/QuizzDTO.cs
index a35797f..2d80035 100644
--- a/Manager.Interfaces/DTO/SubSection/QuizzDTO.cs
+++ b/Manager.Interfaces/DTO/SubSection/QuizzDTO.cs
@@ -19,7 +19,7 @@ namespace Manager.Interfaces.DTO
         public List<TranslationAndResourceDTO> label { get; set; }
         public List<ResponseDTO> responses { get; set; }
         public string imageBackgroundResourceId { get; set; } // question image background
-        public ResourceType imageBackgroundResourceType { get; set; }
+        public ResourceType? imageBackgroundResourceType { get; set; }
         public string imageBackgroundResourceUrl { get; set; } // url to firebase storage or on internet
         public int order { get; set; } // Order to show
     }