diff --git a/lib/private/files/filesystem.php b/lib/private/files/filesystem.php
index e40502bbe6..899666f3e1 100644
--- a/lib/private/files/filesystem.php
+++ b/lib/private/files/filesystem.php
@@ -307,10 +307,18 @@ class Filesystem {
 		$root = \OC_User::getHome($user);
 
 		$userObject = \OC_User::getManager()->get($user);
-		if (\OC\Files\Cache\Storage::exists('local::' . $root . '/') or is_null($userObject)) {
+
+		if (!is_null($userObject)) {
+			// check for legacy home id (<= 5.0.12)
+			if (\OC\Files\Cache\Storage::exists('local::' . $root . '/')) {
+				self::mount('\OC\Files\Storage\Home', array('user' => $userObject, 'legacy' => true), $user);
+			}
+			else {
+				self::mount('\OC\Files\Storage\Home', array('user' => $userObject), $user);
+			}
+		}
+		else {
 			self::mount('\OC\Files\Storage\Local', array('datadir' => $root), $user);
-		} else {
-			self::mount('\OC\Files\Storage\Home', array('user' => $userObject), $user);
 		}
 		$datadir = \OC_Config::getValue("datadirectory", \OC::$SERVERROOT . "/data");
 
diff --git a/lib/private/files/storage/home.php b/lib/private/files/storage/home.php
index 22753519ad..b4ceb8f4f9 100644
--- a/lib/private/files/storage/home.php
+++ b/lib/private/files/storage/home.php
@@ -12,6 +12,11 @@ namespace OC\Files\Storage;
  * Specialized version of Local storage for home directory usage
  */
 class Home extends Local {
+	/**
+	 * @var string
+	 */
+	protected $id;
+
 	/**
 	 * @var \OC\User\User $user
 	 */
@@ -20,12 +25,19 @@ class Home extends Local {
 	public function __construct($arguments) {
 		$this->user = $arguments['user'];
 		$datadir = $this->user->getHome();
+		if (isset($arguments['legacy']) && $arguments['legacy']) {
+			// legacy home id (<= 5.0.12)
+			$this->id = 'local::' . $datadir . '/';
+		}
+		else {
+		    $this->id = 'home::' . $this->user->getUID();
+		}
 
 		parent::__construct(array('datadir' => $datadir));
 	}
 
 	public function getId() {
-		return 'home::' . $this->user->getUID();
+		return $this->id;
 	}
 
 	public function getCache($path = '') {
diff --git a/tests/lib/files/filesystem.php b/tests/lib/files/filesystem.php
index bef70cc725..990e95ca59 100644
--- a/tests/lib/files/filesystem.php
+++ b/tests/lib/files/filesystem.php
@@ -41,9 +41,12 @@ class Filesystem extends \PHPUnit_Framework_TestCase {
 		foreach ($this->tmpDirs as $dir) {
 			\OC_Helper::rmdirr($dir);
 		}
+		\OC\Files\Filesystem::clearMounts();
+		\OC_User::setUserId('');
 	}
 
 	public function setUp() {
+		\OC_User::setUserId('');
 		\OC\Files\Filesystem::clearMounts();
 	}
 
@@ -103,6 +106,67 @@ class Filesystem extends \PHPUnit_Framework_TestCase {
 //		\OC\Files\Filesystem::file_put_contents('/bar//foo', $fh);
 	}
 
+	/**
+	 * Tests that a local storage mount is used when passed user
+	 * does not exist.
+	 */
+	public function testLocalMountWhenUserDoesNotExist() {
+		$datadir = \OC_Config::getValue("datadirectory", \OC::$SERVERROOT . "/data");
+		$userId = uniqid('user_');
+
+		\OC\Files\Filesystem::initMountPoints($userId);
+
+		$homeMount = \OC\Files\Filesystem::getStorage('/' . $userId . '/');
+
+		$this->assertInstanceOf('\OC\Files\Storage\Local', $homeMount);
+		$this->assertEquals('local::' . $datadir . '/' . $userId . '/', $homeMount->getId());
+	}
+
+	/**
+	 * Tests that the home storage is used for the user's mount point
+	 */
+	public function testHomeMount() {
+		$userId = uniqid('user_');
+
+		\OC_User::createUser($userId, $userId);
+
+		\OC\Files\Filesystem::initMountPoints($userId);
+
+		$homeMount = \OC\Files\Filesystem::getStorage('/' . $userId . '/');
+
+		$this->assertInstanceOf('\OC\Files\Storage\Home', $homeMount);
+		$this->assertEquals('home::' . $userId, $homeMount->getId());
+
+		\OC_User::deleteUser($userId);
+	}
+
+	/**
+	 * Tests that the home storage is used in legacy mode
+	 * for the user's mount point
+	 */
+	public function testLegacyHomeMount() {
+		$datadir = \OC_Config::getValue("datadirectory", \OC::$SERVERROOT . "/data");
+		$userId = uniqid('user_');
+
+		// insert storage into DB by constructing it
+		// to make initMountsPoint find its existence
+		$localStorage = new \OC\Files\Storage\Local(array('datadir' => $datadir . '/' . $userId . '/'));
+		// this will trigger the insert
+		$cache = $localStorage->getCache();
+
+		\OC_User::createUser($userId, $userId);
+		\OC\Files\Filesystem::initMountPoints($userId);
+
+		$homeMount = \OC\Files\Filesystem::getStorage('/' . $userId . '/');
+
+		$this->assertInstanceOf('\OC\Files\Storage\Home', $homeMount);
+		$this->assertEquals('local::' . $datadir. '/' . $userId . '/', $homeMount->getId());
+
+		\OC_User::deleteUser($userId);
+		// delete storage entry
+		$cache->clear();
+	}
+
 	public function dummyHook($arguments) {
 		$path = $arguments['path'];
 		$this->assertEquals($path, \OC\Files\Filesystem::normalizePath($path)); //the path passed to the hook should already be normalized
diff --git a/tests/lib/files/storage/home.php b/tests/lib/files/storage/home.php
index b01e07f745..885291e440 100644
--- a/tests/lib/files/storage/home.php
+++ b/tests/lib/files/storage/home.php
@@ -56,8 +56,8 @@ class Home extends Storage {
 
 	public function setUp() {
 		$this->tmpDir = \OC_Helper::tmpFolder();
-		$userId = uniqid('user_');
-		$this->user = new DummyUser($userId, $this->tmpDir);
+		$this->userId = uniqid('user_');
+		$this->user = new DummyUser($this->userId, $this->tmpDir);
 		$this->instance = new \OC\Files\Storage\Home(array('user' => $this->user));
 	}
 
@@ -65,7 +65,32 @@ class Home extends Storage {
 		\OC_Helper::rmdirr($this->tmpDir);
 	}
 
+	/**
+	 * Tests that the root path matches the data dir
+	 */
 	public function testRoot() {
 		$this->assertEquals($this->tmpDir, $this->instance->getLocalFolder(''));
 	}
+
+	/**
+	 * Tests that the home id is in the format home::user1
+	 */
+	public function testId() {
+		$this->assertEquals('home::' . $this->userId, $this->instance->getId());
+	}
+
+	/**
+	 * Tests that the legacy home id is in the format local::/path/to/datadir/user1/
+	 */
+	public function testLegacyId() {
+		$this->instance = new \OC\Files\Storage\Home(array('user' => $this->user, 'legacy' => true));
+		$this->assertEquals('local::' . $this->tmpDir . '/', $this->instance->getId());
+	}
+
+	/**
+	 * Tests that getCache() returns an instance of HomeCache
+	 */
+	public function testGetCacheReturnsHomeCache() {
+		$this->assertInstanceOf('\OC\Files\Cache\HomeCache', $this->instance->getCache());
+	}
 }