diff --git a/tools/set-env-var.js b/tools/set-env-var.js
index bbb7fb5d..f98c2bd5 100644
--- a/tools/set-env-var.js
+++ b/tools/set-env-var.js
@@ -4,7 +4,7 @@ const path = require('path')
 const _ = require('lodash/fp')
 
 const setEnvVariable = (key, value, opts) => {
-  const ENV_PATH = !_.isNil(opts.ENV_PATH) ? opts.ENV_PATH : path.resolve(__dirname, '../.env')
+  const ENV_PATH = !_.isNil(opts?.ENV_PATH) ? opts.ENV_PATH : path.resolve(__dirname, '../.env')
   const ENV_VARIABLES = fs.readFileSync(ENV_PATH, 'utf-8').split(os.EOL)
   const target = ENV_VARIABLES.indexOf(ENV_VARIABLES.find(line => line.match(new RegExp(`^${key}=`))))