diff --git a/src/GO/Job.php b/src/GO/Job.php
index 5646c0f..71de647 100644
--- a/src/GO/Job.php
+++ b/src/GO/Job.php
@@ -308,7 +308,12 @@ public function compile()
         if ($this->canRunInBackground()) {
             // Parentheses are need execute the chain of commands in a subshell
             // that can then run in background
-            $compiled = '(' . $compiled . ') > /dev/null 2>&1 &';
+            if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
+                $compiled = '(' . $compiled . ') > NUL 2>&1 &';
+            }
+            else {
+                $compiled = '(' . $compiled . ') > /dev/null 2>&1 &';
+            }
         }
 
         return trim($compiled);
diff --git a/tests/GO/JobTest.php b/tests/GO/JobTest.php
index 7720e45..ef67c27 100644
--- a/tests/GO/JobTest.php
+++ b/tests/GO/JobTest.php
@@ -88,15 +88,27 @@ public function testShouldCompileWithArguments()
 
         $this->assertEquals("ls '-l' '-arg' 'value'", $job->inForeground()->compile());
     }
-
-    public function testShouldCompileCommandInBackground()
+    
+    public function testShouldCompileUnixCommandInBackground()
     {
+        $this->assertFalse(strtoupper(substr(PHP_OS, 0, 3)) === 'WIN');
+        
         $job1 = new Job('ls');
         $job1->at('* * * * *');
-
+        
         $this->assertEquals('(ls) > /dev/null 2>&1 &', $job1->compile());
     }
-
+    
+    public function testShouldCompileWinCommandInBackground()
+    {
+        $this->assertTrue(strtoupper(substr(PHP_OS, 0, 3)) === 'WIN');
+        
+        $job1 = new Job('dir');
+        $job1->at('* * * * *');
+        
+        $this->assertEquals('(dir) > NUL 2>&1 &', $job1->compile());
+    }
+    
     public function testShouldRunInBackground()
     {
         // This script has a 5 seconds sleep