diff --git a/Src/Newtonsoft.Json/JsonTextWriter.Async.cs b/Src/Newtonsoft.Json/JsonTextWriter.Async.cs
index 3a2910e7..c3b86175 100644
--- a/Src/Newtonsoft.Json/JsonTextWriter.Async.cs
+++ b/Src/Newtonsoft.Json/JsonTextWriter.Async.cs
@@ -407,7 +407,7 @@ namespace Newtonsoft.Json
         {
             await task.ConfigureAwait(false);
 
-            await _writer.WriteAsync('[').ConfigureAwait(false);
+            await _writer.WriteAsync('[', cancellationToken).ConfigureAwait(false);
         }
 
         /// <summary>
@@ -437,7 +437,7 @@ namespace Newtonsoft.Json
         {
             await task.ConfigureAwait(false);
 
-            await _writer.WriteAsync('{').ConfigureAwait(false);
+            await _writer.WriteAsync('{', cancellationToken).ConfigureAwait(false);
         }
 
         /// <summary>