diff --git a/lib/API/LogManagement.js b/lib/API/LogManagement.js
index 0b6409f9..79294db8 100644
--- a/lib/API/LogManagement.js
+++ b/lib/API/LogManagement.js
@@ -45,6 +45,8 @@ module.exports = function(CLI) {
   };
 
   CLI.prototype.logrotate = function(opts, cb) {
+    var that = this;
+
     if (process.getuid() != 0) {
       return exec('whoami', function(err, stdout, stderr) {
         Common.printError(cst.PREFIX_MSG + 'You have to run this command as root. Execute the following command:');