diff --git a/src/Yavsc.Abstract/Blogspot/IBlogPost.cs b/src/Yavsc.Abstract/Blogspot/IBlogPost.cs
index 691e03f2..5287685d 100644
--- a/src/Yavsc.Abstract/Blogspot/IBlogPost.cs
+++ b/src/Yavsc.Abstract/Blogspot/IBlogPost.cs
@@ -7,9 +7,8 @@ using Yavsc.Interfaces;
 
 namespace Yavsc.Blogspot
 {
-    public interface IBlogPost : IBlogPostPayLoad, ICircleAuthorized, ITaggable<long>,  ITrackedEntity, IIdentified<long>, ITitle
+    public interface IBlogPost : IBlogPostPayLoad, ICircleAuthorized,  ITrackedEntity,  ITitle
     {
-        string AuthorId { get; set; }
         IApplicationUser Author { get; }
     }
 }
diff --git a/src/Yavsc.Abstract/Identity/Security/ICircleAuthorized.cs b/src/Yavsc.Abstract/Identity/Security/ICircleAuthorized.cs
index cc108d2e..25c21961 100644
--- a/src/Yavsc.Abstract/Identity/Security/ICircleAuthorized.cs
+++ b/src/Yavsc.Abstract/Identity/Security/ICircleAuthorized.cs
@@ -1,10 +1,14 @@
+using Yavsc.Interfaces;
+
 namespace Yavsc.Abstract.Identity.Security
 {
-    public interface ICircleAuthorized
+    public interface ICircleAuthorized :  ITaggable<long>
     {
-        long Id { get; set; }
+
         string AuthorId { get; }
+
         bool AuthorizeCircle(long circleId);
+
         ICircleAuthorization [] GetACL();
 
     }
diff --git a/src/Yavsc.Abstract/Interfaces/Models/ITaggable.cs b/src/Yavsc.Abstract/Interfaces/Models/ITaggable.cs
index 89a51d30..eb325b6f 100644
--- a/src/Yavsc.Abstract/Interfaces/Models/ITaggable.cs
+++ b/src/Yavsc.Abstract/Interfaces/Models/ITaggable.cs
@@ -1,9 +1,9 @@
 namespace Yavsc.Interfaces
 {
-    public interface ITaggable<K> 
+    public interface ITaggable<K> : IIdentified<K>
     {
          string [] GetTags();
 
          K Id { get; }
     }
-}
\ No newline at end of file
+}
diff --git a/src/Yavsc.Blogs.Tests/BlogApiTests.cs b/src/Yavsc.Blogs.Tests/BlogApiTests.cs
index fd64555a..35d67fbe 100644
--- a/src/Yavsc.Blogs.Tests/BlogApiTests.cs
+++ b/src/Yavsc.Blogs.Tests/BlogApiTests.cs
@@ -239,7 +239,8 @@ public sealed class BlogApiTests : IClassFixture<BlogsWebServerFixture>
 
         // The list should now be empty.
         var listResponse = await http.GetAsync("/api/v1/blog");
-        using var doc = JsonDocument.Parse(await listResponse.Content.ReadAsStringAsync());
+        String response = await listResponse.Content.ReadAsStringAsync();
+        using var doc = JsonDocument.Parse(response);
         Assert.Equal(0, doc.RootElement.GetArrayLength());
     }
 
diff --git a/src/Yavsc.Blogs/Controllers/BlogApiController.cs b/src/Yavsc.Blogs/Controllers/BlogApiController.cs
index 23d71742..ac7b59df 100644
--- a/src/Yavsc.Blogs/Controllers/BlogApiController.cs
+++ b/src/Yavsc.Blogs/Controllers/BlogApiController.cs
@@ -22,9 +22,9 @@ namespace Yavsc.Blogs.Controllers
 
         // GET: api/BlogApi
         [HttpGet]
-        public async Task<IEnumerable<IBlogPost>> GetBlogspot(int start = 0, int take = 25)
+        public async Task<IEnumerable<BlogPost>> GetBlogspot(int start = 0, int take = 25)
         {
-            return await blogSpotService.Index(User, null, start, take);
+            return (await blogSpotService.Index(User, null, start, take)).Cast<BlogPost>();
         }
 
         // GET: api/BlogApi/5
diff --git a/src/Yavsc.Org.Tests/appsettings.json b/src/Yavsc.Org.Tests/appsettings.json
index 5f353cd8..ef95fef6 100644
--- a/src/Yavsc.Org.Tests/appsettings.json
+++ b/src/Yavsc.Org.Tests/appsettings.json
@@ -1,6 +1,7 @@
 {
     "Site": {
         "Authority": "https://localhost:5101",
+        "Audience": ["blogs"],
         "Title": "Yavsc dev",
         "Slogan": "Yavsc : WIP.",
         "Banner": "/images/yavsc.png",
diff --git a/src/Yavsc.Org/Views/Blogspot/Index.cshtml b/src/Yavsc.Org/Views/Blogspot/Index.cshtml
index d5dc27c9..52cf3b88 100644
--- a/src/Yavsc.Org/Views/Blogspot/Index.cshtml
+++ b/src/Yavsc.Org/Views/Blogspot/Index.cshtml
@@ -52,19 +52,19 @@
     <div class="post card">
 
 
-        <a asp-action="Details" asp-route-id="@((IBlogPost)post).Id" class="bloglink" >
+        <a asp-action="Details" asp-route-id="@post.Id" class="bloglink" >
             <div class="float-left"><img class="photo card-photo" src="@post.Photo" ></div>
             <h3 class="index-post-title">@post.Title</h3>
         </a>
         <div>
-          <a asp-action="Details" asp-route-id="@((IBlogPost)post).Id">
+          <a asp-action="Details" asp-route-id="@post.Id">
             <asciidoc summary="@maxTextLen">@post.Article</asciidoc></a>
             <span style="font-size:x-small;">@Html.DisplayFor(m => post.Author)</span>
             <span style="font-size:xx-small;">
             posté le @post.DateCreated.ToString("dddd d MMM yyyy à H:mm")
             @if ((post.DateModified - post.DateCreated).Minutes > 0){ 
                 @:- Modifié le @post.DateModified.ToString("dddd d MMM yyyy à H:mm")
-            })
+            }
             </span>
         </div>
         <div class="actiongroup">
@@ -74,13 +74,13 @@
             }
             else
             {
-            <a asp-action="Details" asp-route-id="@((IBlogPost)post).Id" class="btn btn-light">Details</a>
+            <a asp-action="Details" asp-route-id="@post.Id" class="btn btn-light">Details</a>
             }
             @if ((await AuthorizationService.AuthorizeAsync(User, post, new EditPermission())).Succeeded)
             {
-           <a asp-action="Edit" asp-route-id="@((IBlogPost)post).Id" class="btn btn-primary">Edit</a>
+           <a asp-action="Edit" asp-route-id="@post.Id" class="btn btn-primary">Edit</a>
 
-            <a asp-action="Delete" asp-route-id="@((IBlogPost)post).Id" class="btn btn-danger">Delete</a>
+            <a asp-action="Delete" asp-route-id="@post.Id" class="btn btn-danger">Delete</a>
 
             }
         </div>
diff --git a/src/Yavsc.Server/Models/Blog/BlogPost.cs b/src/Yavsc.Server/Models/Blog/BlogPost.cs
index e1b44603..442cbb1f 100644
--- a/src/Yavsc.Server/Models/Blog/BlogPost.cs
+++ b/src/Yavsc.Server/Models/Blog/BlogPost.cs
@@ -35,7 +35,7 @@ namespace Yavsc.Models.Blog
         public string? AuthorId { get; set; }
 
         [Display(Name = "Auteur")]
-        public virtual ApplicationUser? Author { set; get; }
+        public virtual ApplicationUser Author { set; get; }
 
 
         [Display(Name = "Date de création")]
@@ -95,6 +95,6 @@ namespace Yavsc.Models.Blog
         [InverseProperty("Post")]
         public virtual List<Comment> Comments { get; set; }
 
-        IApplicationUser IBlogPost.Author { get => this.Author; }
+        IApplicationUser IBlogPost.Author => Author;
     }
 }