diff --git a/src/main.js b/src/main.js
index 8602d39..2680701 100644
--- a/src/main.js
+++ b/src/main.js
@@ -1,6 +1,6 @@
 const log4js = require("log4js");
 
 const logger = log4js.getLogger();
-logger.level = process.env.logLevel || "INFO";
+logger.level = process.env.logLevel ?? "INFO";