diff --git a/lib/path.js b/lib/path.js
index 70e9af48eb067c..cf03516169b862 100644
--- a/lib/path.js
+++ b/lib/path.js
@@ -31,13 +31,13 @@ function assertPath(path) {
 
 function assertWindowsPlatform(platform) {
   // throw an error if direct use the function on *nix platform
-  if (process.platform !== 'win32')
+  if (platform !== 'win32')
     throw new errors.Error('ERR_UNSUPPORTED_PLATFORM');
 }
 
 function assertPosixPlatform(platform) {
   // throw an error if direct use the function on windows platform
-  if (process.process === 'win32')
+  if (platform === 'win32')
     throw new errors.Error('ERR_UNSUPPORTED_PLATFORM');
 }