diff --git a/lib/initUtils.js b/lib/initUtils.js
index b8afc34..7d2caa5 100644
--- a/lib/initUtils.js
+++ b/lib/initUtils.js
@@ -322,7 +322,7 @@ module.exports.registerBundledPlugin = registerBundledPlugin;
 
 function readPortFromUnixConfig(configFile, regex) {
   let result = 0;
-  if (fs.fileExists(configFile)) {
+  if (fileExists(configFile)) {
     const configContent = fs.readFileSync(configFile, 'utf8');
     if (configContent) {
       const configLines = configContent.split('\n');