diff --git a/lib/osinfo.js b/lib/osinfo.js
index 291aa1c..6d34630 100644
--- a/lib/osinfo.js
+++ b/lib/osinfo.js
@@ -1123,7 +1123,11 @@ echo -n "hardware: "; sysctl -n kern.hostuuid; echo;`;
         });
       }
       if (_windows) {
-        exec('%windir%\\System32\\reg query "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Cryptography" /v MachineGuid', util.execOptsWin, function (error, stdout) {
+        let sysdir = '%windir%\\System32';
+        if (process.arch === 'ia32' && Object.prototype.hasOwnProperty.call(process.env, 'PROCESSOR_ARCHITEW6432')) {
+          sysdir = '%windir%\\sysnative\\cmd.exe /c %windir%\\System32';
+        }
+        exec(`${sysdir}\\reg query "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Cryptography" /v MachineGuid`, util.execOptsWin, function (error, stdout) {
           parts = stdout.toString().split('\n\r')[0].split('REG_SZ');
           result.os = parts.length > 1 ? parts[1].replace(/\r+|\n+|\s+/ig, '').toLowerCase() : '';
           util.wmic('csproduct get /value').then((stdout) => {