diff --git a/lib/readline-sync.js b/lib/readline-sync.js
index 170ac14..0235541 100644
--- a/lib/readline-sync.js
+++ b/lib/readline-sync.js
@@ -10,7 +10,7 @@
 
 var
   IS_WIN = process.platform === 'win32',
-  SHELL_PATH = IS_WIN ? 'cmd.exe' : '/bin/sh',
+  SHELL_PATH = IS_WIN ? process.env.comspec || 'cmd.exe' : '/bin/sh',
   SHELL_CMD = __dirname + (IS_WIN ? '\\read.bat' : '/read.sh'),
   ALGORITHM_CIPHER = 'aes-256-cbc',
   ALGORITHM_HASH = 'sha256',