diff --git a/lib/osinfo.js b/lib/osinfo.js
index f2252ff..e73ece8 100644
--- a/lib/osinfo.js
+++ b/lib/osinfo.js
@@ -1122,15 +1122,13 @@ function shell(callback) {
       if (_windows) {
         try {
           const result = 'CMD';
-          util.powerShell('$PSVersionTable').then(stdout => {
+          util.powerShell(`Get-CimInstance -className win32_process | where-object {$_.ProcessId -eq ${process.ppid} } | select Name`).then(stdout => {
+            let result = 'CMD';
             if (stdout) {
-              const lines = stdout.toString().toLowerCase().split('\n').map(line => line.replace(/ +/g, ' ').replace(/ +/g, ':'));
-              const ps = getValue(lines, 'psversion');
-              let result = 'CMD';
-              if (ps) {
-                result = `PowerShell ${ps.split('.')[0] + (ps.split('.')[1] ? '.' + ps.split('.')[1] : '')}`;
+              if (stdout.toString().toLowerCase().indexOf('powershell') >= 0) {
+                result = 'PowerShell';
               }
-            };
+            }
             if (callback) {
               callback(result);
             }