diff --git a/CHANGELOG.md b/CHANGELOG.md
index 817984c..4369df7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -99,6 +99,7 @@ Other changes
 
 | Version        | Date           | Comment  |
 | -------------- | -------------- | -------- |
+| 3.33.9         | 2017-12-14     | bugfix WMIC not found (Windows) |
 | 3.33.8         | 2017-12-02     | bugfix diskLayout().size (OSX) |
 | 3.33.7         | 2017-11-28     | bugfix diskLayout().size |
 | 3.33.6         | 2017-11-16     | bugfix diskLayout().size |
diff --git a/lib/battery.js b/lib/battery.js
index b99ebec..42c6a52 100644
--- a/lib/battery.js
+++ b/lib/battery.js
@@ -101,7 +101,7 @@ module.exports = function (callback) {
         });
       }
       if (_windows) {
-        exec('WMIC Path Win32_Battery Get BatteryStatus, DesignCapacity, EstimatedChargeRemaining /value', function (error, stdout) {
+        exec(util.getWmic() + ' Path Win32_Battery Get BatteryStatus, DesignCapacity, EstimatedChargeRemaining /value', function (error, stdout) {
           if (stdout) {
             let lines = stdout.split('\r\n');
             let status = util.getValue(lines, 'BatteryStatus', '=').trim();
diff --git a/lib/cpu.js b/lib/cpu.js
index 9d44a17..651605e 100644
--- a/lib/cpu.js
+++ b/lib/cpu.js
@@ -234,7 +234,7 @@ function getCpu() {
         });
       }
       if (_windows) {
-        exec('wmic cpu get name, description, revision, l2cachesize, l3cachesize, manufacturer, currentclockspeed, maxclockspeed /value', function (error, stdout) {
+        exec(util.getWmic() + ' cpu get name, description, revision, l2cachesize, l3cachesize, manufacturer, currentclockspeed, maxclockspeed /value', function (error, stdout) {
           if (!error) {
             let lines = stdout.split('\r\n');
             let name = util.getValue(lines, 'name', '=') || '';
@@ -278,7 +278,7 @@ function getCpu() {
               }
             }
           }
-          exec('wmic path Win32_CacheMemory get CacheType,InstalledSize,Purpose', function (error, stdout) {
+          exec(util.getWmic() + ' path Win32_CacheMemory get CacheType,InstalledSize,Purpose', function (error, stdout) {
             if (!error) {
               let lines = stdout.split('\r\n').filter(line => line.trim() !== '').filter((line, idx) => idx > 0);
               lines.forEach(function (line) {
@@ -448,7 +448,7 @@ function cpuTemperature(callback) {
         resolve(result);
       }
       if (_windows) {
-        exec('wmic /namespace:\\\\root\\wmi PATH MSAcpi_ThermalZoneTemperature get CurrentTemperature', function (error, stdout) {
+        exec(util.getWmic() + ' /namespace:\\\\root\\wmi PATH MSAcpi_ThermalZoneTemperature get CurrentTemperature', function (error, stdout) {
           if (!error) {
             let sum = 0;
             let lines = stdout.split('\r\n').filter(line => line.trim() !== '').filter((line, idx) => idx > 0);
@@ -595,7 +595,7 @@ function cpuCache(callback) {
         });
       }
       if (_windows) {
-        exec('wmic cpu get l2cachesize, l3cachesize /value', function (error, stdout) {
+        exec(util.getWmic() + ' cpu get l2cachesize, l3cachesize /value', function (error, stdout) {
           if (!error) {
             let lines = stdout.split('\r\n');
             result.l1d = 0;
@@ -605,7 +605,7 @@ function cpuCache(callback) {
             if (result.l2) { result.l2 = parseInt(result.l2) * 1024; }
             if (result.l3) { result.l3 = parseInt(result.l3) * 1024; }
           }
-          exec('wmic path Win32_CacheMemory get CacheType,InstalledSize,Purpose', function (error, stdout) {
+          exec(util.getWmic() + ' path Win32_CacheMemory get CacheType,InstalledSize,Purpose', function (error, stdout) {
             if (!error) {
               let lines = stdout.split('\r\n').filter(line => line.trim() !== '').filter((line, idx) => idx > 0);
               lines.forEach(function (line) {
diff --git a/lib/filesystem.js b/lib/filesystem.js
index fd27a0a..2a9fe89 100644
--- a/lib/filesystem.js
+++ b/lib/filesystem.js
@@ -62,7 +62,7 @@ function fsSize(callback) {
         });
       }
       if (_windows) {
-        exec('wmic logicaldisk get Caption,FileSystem,FreeSpace,Size', function (error, stdout) {
+        exec(util.getWmic() + ' logicaldisk get Caption,FileSystem,FreeSpace,Size', function (error, stdout) {
           let lines = stdout.split('\r\n').filter(line => line.trim() !== '').filter((line, idx) => idx > 0);
           lines.forEach(function (line) {
             if (line !== '') {
@@ -237,7 +237,7 @@ function blockDevices(callback) {
         });
       }
       if (_windows) {
-        exec('wmic logicaldisk get Caption,Description,DeviceID,DriveType,FileSystem,FreeSpace,Name,Size,VolumeName,VolumeSerialNumber /format:csv', function (error, stdout) {
+        exec(util.getWmic() + ' logicaldisk get Caption,Description,DeviceID,DriveType,FileSystem,FreeSpace,Name,Size,VolumeName,VolumeSerialNumber /format:csv', function (error, stdout) {
           if (!error) {
             let lines = stdout.split('\r\n').filter(line => line.trim() !== '').filter((line, idx) => idx > 0);
             lines.forEach(function (line) {
@@ -698,7 +698,7 @@ function diskLayout(callback) {
       }
       if (_windows) {
 
-        exec('wmic diskdrive get /value', function (error, stdout) {
+        exec(util.getWmic() + ' diskdrive get /value', function (error, stdout) {
           if (!error) {
             let devices = stdout.toString().split('\r\n\r\n\r\n');
             devices.forEach(function (device) {
diff --git a/lib/graphics.js b/lib/graphics.js
index d6527f8..959192b 100644
--- a/lib/graphics.js
+++ b/lib/graphics.js
@@ -323,11 +323,11 @@ function graphics(callback) {
       }
       if (_windows) {
         // https://blogs.technet.microsoft.com/heyscriptingguy/2013/10/03/use-powershell-to-discover-multi-monitor-information/
-        exec('wmic path win32_VideoController get AdapterCompatibility, AdapterDACType, name, PNPDeviceID, CurrentVerticalResolution, CurrentHorizontalResolution, CurrentNumberOfColors, AdapterRAM, CurrentBitsPerPixel, CurrentRefreshRate, MinRefreshRate, MaxRefreshRate, VideoMemoryType /value', function (error, stdout) {
+        exec(util.getWmic() + ' path win32_VideoController get AdapterCompatibility, AdapterDACType, name, PNPDeviceID, CurrentVerticalResolution, CurrentHorizontalResolution, CurrentNumberOfColors, AdapterRAM, CurrentBitsPerPixel, CurrentRefreshRate, MinRefreshRate, MaxRefreshRate, VideoMemoryType /value', function (error, stdout) {
           if (!error) {
             let csections = stdout.split(/\n\s*\n/);
             result.controllers = parseLinesWindowsControllers(csections);
-            exec('wmic path win32_desktopmonitor get Caption, MonitorManufacturer, MonitorType, ScreenWidth, ScreenHeight /value', function (error, stdout) {
+            exec(util.getWmic() + ' path win32_desktopmonitor get Caption, MonitorManufacturer, MonitorType, ScreenWidth, ScreenHeight /value', function (error, stdout) {
               let dsections = stdout.split(/\n\s*\n/);
               if (!error) {
                 result.displays = parseLinesWindowsDisplays(dsections);
diff --git a/lib/memory.js b/lib/memory.js
index 40b70ec..8d4881c 100644
--- a/lib/memory.js
+++ b/lib/memory.js
@@ -164,7 +164,7 @@ function mem(callback) {
       if (_windows) {
         let swaptotal = 0;
         let swapused = 0;
-        exec('wmic pagefile get AllocatedBaseSize, CurrentUsage', function (error, stdout) {
+        exec(util.getWmic() + ' pagefile get AllocatedBaseSize, CurrentUsage', function (error, stdout) {
           if (!error) {
             let lines = stdout.split('\r\n').filter(line => line.trim() !== '').filter((line, idx) => idx > 0);
             lines.forEach(function (line) {
@@ -293,7 +293,7 @@ function memLayout(callback) {
         const memoryTypes = 'Unknown|Other|DRAM|Synchronous DRAM|Cache DRAM|EDO|EDRAM|VRAM|SRAM|RAM|ROM|FLASH|EEPROM|FEPROM|EPROM|CDRAM|3DRAM|SDRAM|SGRAM|RDRAM|DDR|DDR2|DDR2 FB-DIMM|Reserved|DDR3|FBD2|DDR4|LPDDR|LPDDR2|LPDDR3|LPDDR4'.split('|');
         const FormFactors = 'Unknown|Other|SIP|DIP|ZIP|SOJ|Proprietary|SIMM|DIMM|TSOP|PGA|RIMM|SODIMM|SRIMM|SMD|SSMP|QFP|TQFP|SOIC|LCC|PLCC|BGA|FPBGA|LGA'.split('|');
 
-        exec('wmic memorychip get BankLabel, Capacity, ConfiguredClockSpeed, ConfiguredVoltage, MaxVoltage, MinVoltage, DataWidth, FormFactor, Manufacturer, MemoryType, PartNumber, SerialNumber, Speed, Tag /value', function (error, stdout) {
+        exec(util.getWmic() + 'wmic memorychip get BankLabel, Capacity, ConfiguredClockSpeed, ConfiguredVoltage, MaxVoltage, MinVoltage, DataWidth, FormFactor, Manufacturer, MemoryType, PartNumber, SerialNumber, Speed, Tag /value', function (error, stdout) {
           if (!error) {
             let devices = stdout.toString().split('BankL');
             devices.shift();
diff --git a/lib/network.js b/lib/network.js
index 5272339..ab48286 100644
--- a/lib/network.js
+++ b/lib/network.js
@@ -319,14 +319,14 @@ function networkStats(iface, callback) {
           // NICs
           let perfData = [];
           let nics = [];
-          cmd = 'wmic nic get MACAddress, name, NetEnabled /value';
+          cmd = util.getWmic() + ' nic get MACAddress, name, NetEnabled /value';
           exec(cmd, function (error, stdout) {
             if (!error) {
               const nsections = stdout.split(/\n\s*\n/);
               nics = parseLinesWindowsNics(nsections);
 
               // Performance Data
-              cmd = 'wmic path Win32_PerfRawData_Tcpip_NetworkInterface Get name,BytesReceivedPersec,BytesSentPersec,BytesTotalPersec /value';
+              cmd = util.getWmic() + ' path Win32_PerfRawData_Tcpip_NetworkInterface Get name,BytesReceivedPersec,BytesSentPersec,BytesTotalPersec /value';
               exec(cmd, function (error, stdout) {
                 if (!error) {
                   const psections = stdout.split(/\n\s*\n/);
diff --git a/lib/osinfo.js b/lib/osinfo.js
index b032f59..04381d0 100644
--- a/lib/osinfo.js
+++ b/lib/osinfo.js
@@ -14,6 +14,7 @@
 
 const os = require('os');
 const exec = require('child_process').exec;
+const util = require('./util');
 
 let _platform = os.type();
 
@@ -203,7 +204,7 @@ function osInfo(callback) {
       if (_windows) {
         result.logofile = getLogoFile();
         result.release = result.kernel;
-        exec('wmic os get Caption', function (error, stdout) {
+        exec(util.getWmic() + ' os get Caption', function (error, stdout) {
           result.distro = result.codename = stdout.slice(stdout.indexOf('\r\n') + 2).trim();
           if (callback) {
             callback(result);
diff --git a/lib/processes.js b/lib/processes.js
index 54901c8..87576b5 100644
--- a/lib/processes.js
+++ b/lib/processes.js
@@ -116,7 +116,7 @@ function services(srv, callback) {
         }
       }
       if (_windows) {
-        exec('wmic service get /value', {maxBuffer: 1024 * 1000}, function (error, stdout) {
+        exec(util.getWmic() + ' service get /value', {maxBuffer: 1024 * 1000}, function (error, stdout) {
           if (!error) {
             let serviceSections = stdout.split(/\n\s*\n/);
             for (let i = 0; i < serviceSections.length; i++) {
@@ -480,7 +480,7 @@ function processes(callback) {
           });
         }
         if (_windows) {
-          exec('wmic process get /value', {maxBuffer: 1024 * 1000}, function (error, stdout) {
+          exec(util.getWmic() + ' process get /value', {maxBuffer: 1024 * 1000}, function (error, stdout) {
             if (!error) {
               let processSections = stdout.split(/\n\s*\n/);
               let procs = [];
diff --git a/lib/system.js b/lib/system.js
index 43f3268..f054eb5 100644
--- a/lib/system.js
+++ b/lib/system.js
@@ -161,7 +161,7 @@ function system(callback) {
       if (_windows) {
         // exec('wmic csproduct get', function (error, stdout) {
         // ToDo: refactor /value
-        exec('wmic csproduct get /value', function (error, stdout) {
+        exec(util.getWmic() + ' csproduct get /value', function (error, stdout) {
           if (!error) {
             // let lines = stdout.split('\r\n').filter(line => line.trim() !== '').filter((line, idx) => idx > 0)[0].trim().split(/\s\s+/);
             let lines = stdout.split('\r\n');
@@ -222,7 +222,7 @@ function bios(callback) {
       }
       if (_windows) {
         // ToDo: check BIOS windows
-        exec('wmic bios get /value', function (error, stdout) {
+        exec(util.getWmic() + ' bios get /value', function (error, stdout) {
           if (!error) {
             let lines = stdout.toString().split('\r\n');
             const description = util.getValue(lines, 'description', '=');
@@ -308,7 +308,7 @@ function baseboard(callback) {
       }
       if (_windows) {
         // ToDo: check BIOS windows
-        exec('wmic baseboard get /value', function (error, stdout) {
+        exec(util.getWmic() + ' baseboard get /value', function (error, stdout) {
           if (!error) {
             let lines = stdout.toString().split('\r\n');
 
diff --git a/lib/util.js b/lib/util.js
index 7ff364e..28f6d6a 100644
--- a/lib/util.js
+++ b/lib/util.js
@@ -13,7 +13,10 @@
 // ----------------------------------------------------------------------------------
 
 const os = require('os');
+const fs = require('fs');
+
 let _cores = 0;
+let wmic = '';
 
 function isFunction(functionToCheck) {
   let getType = {};
@@ -121,6 +124,15 @@ function parseDateTime(dt) {
   return result;
 }
 
+function getWmic() {
+  if (os.type() === 'Windows_NT' && !wmic) {
+    if (fs.existsSync(process.env.WINDIR + '\\system32\\wbem\\wmic.exe')) {
+      wmic = process.env.WINDIR + '\\system32\\wbem\\wmic.exe';
+    } else wmic = 'wmic'
+  }
+  return wmic;
+}
+
 exports.isFunction = isFunction;
 exports.unique = unique;
 exports.sortByKey= sortByKey;
@@ -128,3 +140,4 @@ exports.cores = cores;
 exports.getValue = getValue;
 exports.decodeEscapeSequence = decodeEscapeSequence;
 exports.parseDateTime = parseDateTime;
+exports.getWmic = getWmic;