diff --git a/lib/logs.js b/lib/logs.js
index 2a9c6d165..f5847613d 100644
--- a/lib/logs.js
+++ b/lib/logs.js
@@ -11,7 +11,7 @@ const logsPath = path.resolve(dataPath, 'log')
 const DELIMITER_SIZE = 5
 const MAX_SIZE = 100000
 const MAX_LINES = 2000
-const ONE_MB = 1024 ** 2
+const ONE_MB = Math.pow(1024, 2)
 
 /**
  * Get the newest log files