diff --git a/lib/auth/exec.js b/lib/auth/exec.js
index 450d8cc..7bc6bcc 100644
--- a/lib/auth/exec.js
+++ b/lib/auth/exec.js
@@ -34,18 +34,18 @@ class ExecAuth {
       promise = Promise.resolve(this.auth_provider);
     } else {
       promise = new Promise((resolve, reject) => {
-        const env = {};
+        const env = Object.assign({}, process.env);
         if(this.auth_provider.env) {
           this.auth_provider.env.forEach(kvp => env[kvp.name] = kvp.value);
         }
-        const process = execFile(this.auth_provider.command, this.auth_provider.args , { env }, (error, stdout, stderr) => {
+        const exec = execFile(this.auth_provider.command, this.auth_provider.args , { env }, (error, stdout, stderr) => {
           cancel = function (){};
           if (error) {
             reject(error);
           }
           resolve(stdout);
         });
-        cancel = function() { process.kill() };
+        cancel = function() { exec.kill() };
       });
       promise = promise.then( response => {
         const json = JSON.parse(response);