diff --git a/lib/filesystem.js b/lib/filesystem.js
index bb772db..7d02959 100755
--- a/lib/filesystem.js
+++ b/lib/filesystem.js
@@ -395,25 +395,26 @@ function blockDevices(callback) {
       if (_windows) {
         let drivetypes = ['Unknown', 'NoRoot', 'Removable', 'Local', 'Network', 'CD/DVD', 'RAM'];
         try {
-          util.wmic('logicaldisk get Caption,Description,DeviceID,DriveType,FileSystem,FreeSpace,Name,Size,VolumeName,VolumeSerialNumber /value').then((stdout, error) => {
+          // util.wmic('logicaldisk get Caption,Description,DeviceID,DriveType,FileSystem,FreeSpace,Name,Size,VolumeName,VolumeSerialNumber /value').then((stdout, error) => {
+          util.powerShell('Get-CimInstance -ClassName Win32_LogicalDisk | Format-List *').then((stdout, error) => {
             if (!error) {
               let devices = stdout.toString().split(/\n\s*\n/);
               devices.forEach(function (device) {
                 let lines = device.split('\r\n');
-                let drivetype = util.getValue(lines, 'drivetype', '=');
+                let drivetype = util.getValue(lines, 'drivetype', ':');
                 if (drivetype) {
                   data.push({
-                    name: util.getValue(lines, 'name', '='),
-                    identifier: util.getValue(lines, 'caption', '='),
+                    name: util.getValue(lines, 'name', ':'),
+                    identifier: util.getValue(lines, 'caption', ':'),
                     type: 'disk',
-                    fsType: util.getValue(lines, 'filesystem', '=').toLowerCase(),
-                    mount: util.getValue(lines, 'caption', '='),
-                    size: util.getValue(lines, 'size', '='),
+                    fsType: util.getValue(lines, 'filesystem', ':').toLowerCase(),
+                    mount: util.getValue(lines, 'caption', ':'),
+                    size: util.getValue(lines, 'size', ':'),
                     physical: (drivetype >= 0 && drivetype <= 6) ? drivetypes[drivetype] : drivetypes[0],
-                    uuid: util.getValue(lines, 'volumeserialnumber', '='),
-                    label: util.getValue(lines, 'volumename', '='),
+                    uuid: util.getValue(lines, 'volumeserialnumber', ':'),
+                    label: util.getValue(lines, 'volumename', ':'),
                     model: '',
-                    serial: util.getValue(lines, 'volumeserialnumber', '='),
+                    serial: util.getValue(lines, 'volumeserialnumber', ':'),
                     removable: drivetype === '2',
                     protocol: ''
                   });
diff --git a/lib/util.js b/lib/util.js
index 5952034..17f7920 100644
--- a/lib/util.js
+++ b/lib/util.js
@@ -355,7 +355,7 @@ function getVboxmanage() {
 function powerShell(cmd) {
 
   let result = '';
-  const psUTF8 = '$OutputEncoding = [System.Console]::OutputEncoding = [System.Console]::InputEncoding = [System.Text.Encoding]::UTF8 ; ';
+  const toUTF8 = '$OutputEncoding = [System.Console]::OutputEncoding = [System.Console]::InputEncoding = [System.Text.Encoding]::UTF8 ; ';
 
   return new Promise((resolve) => {
     process.nextTick(() => {
@@ -390,7 +390,7 @@ function powerShell(cmd) {
             resolve(result);
           });
           try {
-            child.stdin.write(psUTF8 + cmd + os.EOL);
+            child.stdin.write(toUTF8 + cmd + os.EOL);
             child.stdin.write('exit' + os.EOL);
             child.stdin.end();
           } catch (e) {