1 files changed, 5 insertions, 9 deletions
diff --git a/MediaBrowser.Api/UserLibrary/ArtistsService.cs b/MediaBrowser.Api/UserLibrary/ArtistsService.cs
index 4018759d9..cd3c80463 100644
--- a/MediaBrowser.Api/UserLibrary/ArtistsService.cs
+++ b/MediaBrowser.Api/UserLibrary/ArtistsService.cs
@@ -40,7 +40,7 @@ namespace MediaBrowser.Api.UserLibrary
         /// </summary>
         /// <value>The user id.</value>
         [ApiMember(Name = "UserId", Description = "Optional. Filter by user id, and attach user data", IsRequired = false, DataType = "string", ParameterType = "query", Verb = "GET")]
-        public string UserId { get; set; }
+        public Guid UserId { get; set; }
     }
 
     /// <summary>
@@ -56,9 +56,7 @@ namespace MediaBrowser.Api.UserLibrary
         /// <returns>System.Object.</returns>
         public object Get(GetArtist request)
         {
-            var result = GetItem(request);
-
-            return ToOptimizedResult(result);
+            return GetItem(request);
         }
 
         /// <summary>
@@ -71,8 +69,8 @@ namespace MediaBrowser.Api.UserLibrary
             var dtoOptions = GetDtoOptions(AuthorizationContext, request);
 
             var item = GetArtist(request.Name, LibraryManager, dtoOptions);
-            
-            if (!string.IsNullOrWhiteSpace(request.UserId))
+
+            if (!request.UserId.Equals(Guid.Empty))
             {
                 var user = UserManager.GetUserById(request.UserId);
 
@@ -94,9 +92,7 @@ namespace MediaBrowser.Api.UserLibrary
                 //request.IncludeItemTypes = "Audio,MusicVideo";
             }
 
-            var result = GetResultSlim(request);
-
-            return ToOptimizedResult(result);
+           return GetResultSlim(request);
         }
 
         /// <summary>