diff --git a/typescript/winston-cloudwatch.d.ts b/typescript/winston-cloudwatch.d.ts
index cd0f609..e6caf8f 100644
--- a/typescript/winston-cloudwatch.d.ts
+++ b/typescript/winston-cloudwatch.d.ts
@@ -51,7 +51,7 @@ declare namespace WinstonCloudwatch {
   export type LogObject = winston.LogEntry;
 
   export interface CloudwatchTransportOptions {
-    name: string;
+    name?: string;
     cloudWatchLogs?: CloudWatchLogs;
     level?: string;
     ensureLogGroup?: boolean;