diff --git a/XboxAuthNet/OAuth/MicrosoftOAuth.cs b/XboxAuthNet/OAuth/MicrosoftOAuth.cs
index 6b7605b..c9d9394 100644
--- a/XboxAuthNet/OAuth/MicrosoftOAuth.cs
+++ b/XboxAuthNet/OAuth/MicrosoftOAuth.cs
@@ -66,6 +66,8 @@ internal async Task<MicrosoftOAuthResponse> handleMicrosoftOAuthResponse(HttpRes
                 if (resObj == null)
                     throw new MicrosoftOAuthException("Response was null", (int)res.StatusCode);
 
+                if (resObj.ExpiresOn == default)
+                    resObj.ExpiresOn = DateTimeOffset.Now.AddSeconds(resObj.ExpireIn);
                 return resObj;
             }
             catch (Exception ex) when (
@@ -135,6 +137,8 @@ public bool CheckOAuthCodeResult(Uri uri, out MicrosoftOAuthCode authCode)
             authCode = new MicrosoftOAuthCode
             {
                 Code = query["code"],
+                IdToken = query["id_token"],
+                State = query["state"],
                 Error = query["error"],
                 ErrorDescription = HttpUtility.UrlDecode(query["error_description"])
             };
@@ -150,12 +154,16 @@ public async Task<MicrosoftOAuthResponse> GetTokens(MicrosoftOAuthCode authCode)
             var query = createQueriesForAuth();
             query["code"] = authCode.Code ?? "";
 
-            return await microsoftOAuthRequest(new HttpRequestMessage
+            var res = await microsoftOAuthRequest(new HttpRequestMessage
             {
                 Method = HttpMethod.Post,
                 RequestUri = new Uri(OAuthToken),
                 Content = new FormUrlEncodedContent(query)
             }).ConfigureAwait(false);
+            
+            if (string.IsNullOrEmpty(res.IdToken))
+                res.IdToken = authCode.IdToken;
+            return res;
         }
 
         public async Task<MicrosoftOAuthResponse> RefreshToken(string refreshToken)
diff --git a/XboxAuthNet/OAuth/MicrosoftOAuthCode.cs b/XboxAuthNet/OAuth/MicrosoftOAuthCode.cs
index f8cefad..924a387 100644
--- a/XboxAuthNet/OAuth/MicrosoftOAuthCode.cs
+++ b/XboxAuthNet/OAuth/MicrosoftOAuthCode.cs
@@ -1,14 +1,14 @@
 namespace XboxAuthNet.OAuth
 {
+    // https://docs.microsoft.com/en-us/azure/active-directory/develop/v2-oauth2-auth-code-flow
     public class MicrosoftOAuthCode
     {
         public string? Code { get; set; }
+        public string? IdToken { get; set; }
+        public string? State { get; set; }
         public string? Error { get; set; }
         public string? ErrorDescription { get; set; }
 
-        // error description
-        // https://docs.microsoft.com/en-us/azure/active-directory/develop/v2-oauth2-auth-code-flow#error-codes-for-authorization-endpoint-errors
-
         public bool IsSuccess 
            => !string.IsNullOrEmpty(Code)
             && string.IsNullOrEmpty(Error);
diff --git a/XboxAuthNet/OAuth/MicrosoftOAuthParameters.cs b/XboxAuthNet/OAuth/MicrosoftOAuthParameters.cs
index 604835c..e625370 100644
--- a/XboxAuthNet/OAuth/MicrosoftOAuthParameters.cs
+++ b/XboxAuthNet/OAuth/MicrosoftOAuthParameters.cs
@@ -46,5 +46,8 @@ public class MicrosoftOAuthParameters
         /// code_challenge_method
         /// </summary>
         public string? CodeChallengeMethod { get; set; }
+
+        public string? Scope { get; set; }
+        public string? Nonce { get; set; }
     }
 }