diff --git a/src/lib/logger.mjs b/src/lib/logger.mjs
index 13329c8..e41d19d 100644
--- a/src/lib/logger.mjs
+++ b/src/lib/logger.mjs
@@ -11,7 +11,7 @@ const zeroPad = (str, len) => {
 
 const getTimestamp = () => {
   const d = new Date();
-  return `${[d.getFullYear(), zeroPad(d.getMonth(), 2), zeroPad(d.getDate(), 2)].join('/')} ${[
+  return `${[d.getFullYear(), zeroPad(d.getMonth() + 1, 2), zeroPad(d.getDate(), 2)].join('/')} ${[
     zeroPad(d.getHours(), 2),
     zeroPad(d.getMinutes(), 2),
     zeroPad(d.getSeconds(), 2),