diff --git a/Svelto.ECS/EntityDescriptor.cs b/Svelto.ECS/EntityDescriptor.cs
index 9ea0385..130d543 100644
--- a/Svelto.ECS/EntityDescriptor.cs
+++ b/Svelto.ECS/EntityDescriptor.cs
@@ -17,7 +17,7 @@ namespace Svelto.ECS
             this.entityViewsToBuild = entityViewsToBuild;
         }
 
-        public IEntityViewBuilder[] entityViewsToBuild { get; }
+        public IEntityViewBuilder[] entityViewsToBuild { get; private set;  }
     }
 
     public interface IEntityDescriptorInfo