diff --git a/index.js b/index.js
index a96f50d..ceb04c4 100644
--- a/index.js
+++ b/index.js
@@ -1,9 +1,7 @@
-"use strict";
-
 process.chdir(__dirname);
 
 const fs = require('fs');
-fs.writeFileSync('pid.txt', process.pid);
+fs.writeFileSync('pid.txt', process.pid.toString());
 
 const config = require('komodo-sdk/config');