diff --git a/winston/winston-tests.ts b/winston/winston-tests.ts
index 0b3c9f916b..dae649d1f9 100644
--- a/winston/winston-tests.ts
+++ b/winston/winston-tests.ts
@@ -265,3 +265,5 @@ var logger: winston.LoggerInstance = new (winston.Logger)({
 
 /* Reconfigure logger */
 logger.configure({ level: 'silly' });
+
+winston.default.warn("Don't export reserved words in JavaScript!");