diff --git a/src/Discord.Net.Core/Net/Queue/RequestQueueBucket.cs b/src/Discord.Net.Core/Net/Queue/RequestQueueBucket.cs
index b750afbf6..6933730ff 100644
--- a/src/Discord.Net.Core/Net/Queue/RequestQueueBucket.cs
+++ b/src/Discord.Net.Core/Net/Queue/RequestQueueBucket.cs
@@ -236,4 +236,4 @@ namespace Discord.Net.Queue
             }
         }
     }
-}
\ No newline at end of file
+}
diff --git a/src/Discord.Net.Core/Net/Rest/DefaultRestClient.cs b/src/Discord.Net.Core/Net/Rest/DefaultRestClient.cs
index 5ec30c750..588785230 100644
--- a/src/Discord.Net.Core/Net/Rest/DefaultRestClient.cs
+++ b/src/Discord.Net.Core/Net/Rest/DefaultRestClient.cs
@@ -120,7 +120,7 @@ namespace Discord.Net.Rest
                 cancelToken = CancellationTokenSource.CreateLinkedTokenSource(_cancelToken, cancelToken).Token;
                 HttpResponseMessage response = await _client.SendAsync(request, cancelToken).ConfigureAwait(false);
                 
-                var headers = response.Headers.ToDictionary(x => x.Key, x => x.Value.FirstOrDefault());
+                var headers = response.Headers.ToDictionary(x => x.Key, x => x.Value.FirstOrDefault(), StringComparer.OrdinalIgnoreCase);
                 var stream = !headerOnly ? await response.Content.ReadAsStreamAsync().ConfigureAwait(false) : null;
 
                 return new RestResponse(response.StatusCode, headers, stream);