diff --git a/framework/utils/CFileHelper.php b/framework/utils/CFileHelper.php
index ca07fce46..ab6e4a81e 100644
--- a/framework/utils/CFileHelper.php
+++ b/framework/utils/CFileHelper.php
@@ -57,7 +57,7 @@ class CFileHelper
 		$level=-1;
 		extract($options);
 		if(!is_dir($dst))
-			self::mkdir($dst, self::getModeFromOptions($options), true);
+			self::mkdir($dst, $options, true);
 
 		self::copyDirectoryRecursive($src,$dst,'',$fileTypes,$exclude,$level,$options);
 	}
@@ -114,7 +114,7 @@ class CFileHelper
 	protected static function copyDirectoryRecursive($src,$dst,$base,$fileTypes,$exclude,$level,$options)
 	{
 		if(!is_dir($dst))
-			self::mkdir($dst, self::getModeFromOptions($options), false);
+			self::mkdir($dst, $options, false);
 
 		$folder=opendir($src);
 		while(($file=readdir($folder))!==false)
@@ -260,32 +260,25 @@ class CFileHelper
 	}
 
 	/**
-	 * Creates directory for $dst path with $mode and $recursive creation is allowed.
-	 * For concurrent compatibility chmod is used instead of mkdir's $mode.
+	 * Shared environment safe version of mkdir. Supports recursive creation.
+	 * For avoidance of umask side-effects chmod is used.
 	 *
 	 * @static
 	 * @param string $dst path to be created
-	 * @param integer $mode access bitmask
+	 * @param array $options newDirMode element used, must contain access bitmask.
 	 * @param boolean $recursive
 	 * @return boolean result of mkdir
 	 * @see mkdir
 	 */
-	private static function mkdir($dst, $mode, $recursive)
+	private static function mkdir($dst, array $options, $recursive)
 	{
-		$res = mkdir($dst, $mode, $recursive);
+		$prevDir = dirname($dst);
+		if ($recursive && !is_dir($dst) && !is_dir($prevDir)) self::mkdir(dirname($dst), $options, true);
+
+		$mode = isset($options['newDirMode']) ? $options['newDirMode'] : 0777;
+		$res = mkdir($dst, $mode);
 		chmod($dst, $mode);
 		return $res;
 	}
 
-	/**
-	 * Returns dir access mode from options, if set, or default value (0777).
-	 * @static
-	 * @param array $options
-	 * @return integer
-	 */
-	private static function getModeFromOptions(array $options)
-	{
-		return isset($options['newDirMode']) ? $options['newDirMode'] : 0777;
-	}
-
 }
diff --git a/tests/framework/utils/CFileHelperTest.php b/tests/framework/utils/CFileHelperTest.php
new file mode 100644
index 000000000..b055ebe46
--- /dev/null
+++ b/tests/framework/utils/CFileHelperTest.php
@@ -0,0 +1,88 @@
+<?php
+class CFileHelperTest extends CTestCase
+{
+	private $testDir;
+	private $testMode = 0770;
+	private $rootDir1 = "test1";
+	private $rootDir2 = "test2";
+	private $subDir = 'sub';
+	private $file = 'testfile';
+
+	protected function setUp()
+	{
+		parent::setUp();
+		$this->testDir = sys_get_temp_dir() . DIRECTORY_SEPARATOR . __CLASS__ . time();
+		$this->createTestStruct($this->testDir);
+	}
+
+	protected function tearDown()
+	{
+		parent::tearDown();
+		if (is_dir($this->testDir)) $this->rrmdir($this->testDir);
+		clearstatcache();
+	}
+
+	function testCopyDirectory_subDir_modeShoudBe0775()
+	{
+		$src = $this->testDir . DIRECTORY_SEPARATOR . $this->rootDir1;
+		$dst = $this->testDir . DIRECTORY_SEPARATOR . $this->rootDir2;
+		CFileHelper::copyDirectory($src, $dst, array('newDirMode' => $this->testMode));
+
+		$subDir2Mode = $this->getMode($dst . DIRECTORY_SEPARATOR . $this->subDir );
+		$expectedMode = sprintf('%o', $this->testMode);
+		$this->assertEquals($expectedMode, $subDir2Mode, "Subdir mode is not {$expectedMode}");
+	}
+
+	function testCopyDirectory_subDir_modeShoudBe0777()
+	{
+		$src = $this->testDir . DIRECTORY_SEPARATOR . $this->rootDir1;
+		$dst = $this->testDir . DIRECTORY_SEPARATOR . $this->rootDir2;
+		CFileHelper::copyDirectory($src, $dst);
+
+		$subDir2Mode = $this->getMode($dst . DIRECTORY_SEPARATOR . $this->subDir );
+		$expectedMode = sprintf('%o', 0777);
+		$this->assertEquals($expectedMode, $subDir2Mode, "Subdir mode is not {$expectedMode}");
+	}
+
+	private function createTestStruct($testDir)
+	{
+		if (!mkdir($testDir)) $this->fail("mkdir of '{$testDir}' failed");
+
+		$rootDir = $testDir . DIRECTORY_SEPARATOR . $this->rootDir1;
+		mkdir($rootDir);
+
+		$subDir = $testDir . DIRECTORY_SEPARATOR . $this->rootDir1 . DIRECTORY_SEPARATOR . $this->subDir;
+		mkdir($subDir);
+
+		$file = $testDir . DIRECTORY_SEPARATOR . $this->rootDir1 . DIRECTORY_SEPARATOR . $this->subDir . DIRECTORY_SEPARATOR . $this->file;
+		file_put_contents($file, '12321312');
+	}
+
+	private function getMode($file)
+	{
+		return substr(sprintf('%o', fileperms($file)), -4);
+	}
+
+	private function rrmdir($dir)
+	{
+		if ($handle = opendir($dir))
+		{
+			while (false !== ($entry = readdir($handle)))
+			{
+				if ($entry != "." && $entry != "..")
+				{
+					if (is_dir($dir . "/" . $entry) === true)
+					{
+						$this->rrmdir($dir . "/" . $entry);
+					}
+					else
+					{
+						unlink($dir . "/" . $entry);
+					}
+				}
+			}
+			closedir($handle);
+			rmdir($dir);
+		}
+	}
+}