diff --git a/types/socket.io-client/index.d.ts b/types/socket.io-client/index.d.ts
index f4f14c41c6..75f313a3a6 100644
--- a/types/socket.io-client/index.d.ts
+++ b/types/socket.io-client/index.d.ts
@@ -617,9 +617,9 @@ declare namespace SocketIOClient {
 		onlyBinaryUpgrades?: boolean;
 
 		/**
-		 * Header options for Node.js client
+		 * Transport options for Node.js client (headers etc)
 		 */
-		extraHeaders?: Object;
+		transportOptions?: Object;
 
 		/**
 		 * (SSL) Certificate, Private key and CA certificates to use for SSL.