diff --git a/src/BirdsiteLive.ActivityPub/Models/Actor.cs b/src/BirdsiteLive.ActivityPub/Models/Actor.cs
index 51dc41c..cbebba1 100644
--- a/src/BirdsiteLive.ActivityPub/Models/Actor.cs
+++ b/src/BirdsiteLive.ActivityPub/Models/Actor.cs
@@ -1,6 +1,7 @@
 using System;
-using System.Text.Json.Serialization;
+using System.Collections.Generic;
 using Newtonsoft.Json;
+using JsonConverter = Newtonsoft.Json.JsonConverter;
 
 namespace BirdsiteLive.ActivityPub
 {
@@ -8,7 +9,8 @@ namespace BirdsiteLive.ActivityPub
     {
         //[JsonPropertyName("@context")]
         [JsonProperty("@context")]
-        public object[] context { get; set; } = new[] {"https://www.w3.org/ns/activitystreams", "https://w3id.org/security/v1" };
+        [JsonConverter(typeof(ContextArrayConverter))]
+        public string[] context { get; set; } = new[] { "https://www.w3.org/ns/activitystreams", "https://w3id.org/security/v1" };
         public string id { get; set; }
         public string type { get; set; }
         public string preferredUsername { get; set; }
@@ -20,4 +22,37 @@ namespace BirdsiteLive.ActivityPub
         public Image icon { get; set; }
         public Image image { get; set; }
     }
+
+    public class ContextArrayConverter : JsonConverter
+    {
+        public override bool CanWrite { get { return false; } }
+        public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
+        {
+            throw new NotImplementedException();
+        }
+
+        public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
+        {
+            var result = new List<string>();
+
+            var list = serializer.Deserialize<List<object>>(reader);
+            foreach (var l in list)
+            {
+                if (l is string s)
+                    result.Add(s);
+                else
+                {
+                    var str = JsonConvert.SerializeObject(l);
+                    result.Add(str);
+                }
+            }
+
+            return result.ToArray();
+        }
+
+        public override bool CanConvert(Type objectType)
+        {
+            throw new NotImplementedException();
+        }
+    }
 }
diff --git a/src/BirdsiteLive/Controllers/UsersController.cs b/src/BirdsiteLive/Controllers/UsersController.cs
index bae8701..91c8d69 100644
--- a/src/BirdsiteLive/Controllers/UsersController.cs
+++ b/src/BirdsiteLive/Controllers/UsersController.cs
@@ -73,7 +73,7 @@ namespace BirdsiteLive.Controllers
 
         private Dictionary<string, string> RequestHeaders(IHeaderDictionary header)
         {
-            return header.ToDictionary<KeyValuePair<string, StringValues>, string, string>(h => h.Key, h => h.Value);
+            return header.ToDictionary<KeyValuePair<string, StringValues>, string, string>(h => h.Key.ToLowerInvariant(), h => h.Value);
         }
     }
 }
\ No newline at end of file
diff --git a/src/Tests/BirdsiteLive.ActivityPub.Tests/ActorTests.cs b/src/Tests/BirdsiteLive.ActivityPub.Tests/ActorTests.cs
index 337eee6..628869c 100644
--- a/src/Tests/BirdsiteLive.ActivityPub.Tests/ActorTests.cs
+++ b/src/Tests/BirdsiteLive.ActivityPub.Tests/ActorTests.cs
@@ -16,6 +16,20 @@ namespace BirdsiteLive.ActivityPub.Tests
             var actor = JsonConvert.DeserializeObject<Actor>(json);
 
             
+        }
+
+        [TestMethod]
+        public void Serialize()
+        {
+            var obj = new Actor
+            {
+                type = "Person",
+                id = "id"
+            };
+
+            var json = JsonConvert.SerializeObject(obj);
+
+
         }
     }
 }
\ No newline at end of file