diff --git a/lib/private/files/storage/wrapper/quota.php b/lib/private/files/storage/wrapper/quota.php
index 1bcdca7f47..26c952e694 100644
--- a/lib/private/files/storage/wrapper/quota.php
+++ b/lib/private/files/storage/wrapper/quota.php
@@ -15,12 +15,18 @@ class Quota extends Wrapper {
 	 */
 	protected $quota;
 
+	/**
+	 * @var string $sizeRoot
+	 */
+	protected $sizeRoot;
+
 	/**
 	 * @param array $parameters
 	 */
 	public function __construct($parameters) {
 		$this->storage = $parameters['storage'];
 		$this->quota = $parameters['quota'];
+		$this->sizeRoot = isset($parameters['root']) ? $parameters['root'] : '';
 	}
 
 	/**
@@ -46,7 +52,7 @@ class Quota extends Wrapper {
 		if ($this->quota < 0) {
 			return $this->storage->free_space($path);
 		} else {
-			$used = $this->getSize('');
+			$used = $this->getSize($this->sizeRoot);
 			if ($used < 0) {
 				return \OC\Files\SPACE_NOT_COMPUTED;
 			} else {
diff --git a/lib/private/image.php b/lib/private/image.php
index 42685ddab5..17caaa012f 100644
--- a/lib/private/image.php
+++ b/lib/private/image.php
@@ -231,7 +231,7 @@ class OC_Image {
 	}
 
 	/**
-	* @returns Returns the image resource in any.
+	* @returns resource Returns the image resource in any.
 	*/
 	public function resource() {
 		return $this->resource;
diff --git a/lib/private/util.php b/lib/private/util.php
index b785643652..d3b682daa5 100755
--- a/lib/private/util.php
+++ b/lib/private/util.php
@@ -65,7 +65,7 @@ class OC_Util {
 					$user = $storage->getUser()->getUID();
 					$quota = OC_Util::getUserQuota($user);
 					if ($quota !== \OC\Files\SPACE_UNLIMITED) {
-						return new \OC\Files\Storage\Wrapper\Quota(array('storage' => $storage, 'quota' => $quota));
+						return new \OC\Files\Storage\Wrapper\Quota(array('storage' => $storage, 'quota' => $quota, 'root' => 'files'));
 					}
 				}
 
diff --git a/tests/lib/files/storage/wrapper/quota.php b/tests/lib/files/storage/wrapper/quota.php
index e1b880255f..43eae78415 100644
--- a/tests/lib/files/storage/wrapper/quota.php
+++ b/tests/lib/files/storage/wrapper/quota.php
@@ -62,7 +62,7 @@ class Quota extends \Test\Files\Storage\Storage {
 		$this->assertEquals('foobarqwe', $instance->file_get_contents('foo'));
 	}
 
-	public function testReturnFalseWhenFopenFailed(){
+	public function testReturnFalseWhenFopenFailed() {
 		$failStorage = $this->getMock(
 			'\OC\Files\Storage\Local',
 			array('fopen'),
@@ -76,7 +76,7 @@ class Quota extends \Test\Files\Storage\Storage {
 		$this->assertFalse($instance->fopen('failedfopen', 'r'));
 	}
 
-	public function testReturnRegularStreamOnRead(){
+	public function testReturnRegularStreamOnRead() {
 		$instance = $this->getLimitedStorage(9);
 
 		// create test file first
@@ -95,11 +95,30 @@ class Quota extends \Test\Files\Storage\Storage {
 		fclose($stream);
 	}
 
-	public function testReturnQuotaStreamOnWrite(){
+	public function testReturnQuotaStreamOnWrite() {
 		$instance = $this->getLimitedStorage(9);
 		$stream = $instance->fopen('foo', 'w+');
 		$meta = stream_get_meta_data($stream);
 		$this->assertEquals('user-space', $meta['wrapper_type']);
 		fclose($stream);
 	}
+
+	public function testSpaceRoot() {
+		$storage = $this->getMockBuilder('\OC\Files\Storage\Local')->disableOriginalConstructor()->getMock();
+		$cache = $this->getMockBuilder('\OC\Files\Cache\Cache')->disableOriginalConstructor()->getMock();
+		$storage->expects($this->once())
+			->method('getCache')
+			->will($this->returnValue($cache));
+		$storage->expects($this->once())
+			->method('free_space')
+			->will($this->returnValue(2048));
+		$cache->expects($this->once())
+			->method('get')
+			->with('files')
+			->will($this->returnValue(array('size' => 50)));
+
+		$instance = new \OC\Files\Storage\Wrapper\Quota(array('storage' => $storage, 'quota' => 1024, 'root' => 'files'));
+
+		$this->assertEquals(1024 - 50, $instance->free_space(''));
+	}
 }