diff --git a/apps/files_sharing/lib/sharedstorage.php b/apps/files_sharing/lib/sharedstorage.php
index df5d4d20aed94d86cc20687f518e5f4604742f50..6a2905b52c91265a4342797631ed90feddac0db3 100644
--- a/apps/files_sharing/lib/sharedstorage.php
+++ b/apps/files_sharing/lib/sharedstorage.php
@@ -30,7 +30,6 @@ class OC_Filestorage_Shared extends OC_Filestorage_Common {
 
 	public function __construct($arguments) {
 		$this->sharedFolder = $arguments['sharedFolder'];
-		OC_Util::setupFS4all();
 	}
 
 	/**
@@ -78,6 +77,8 @@ class OC_Filestorage_Shared extends OC_Filestorage_Common {
 	private function getSourcePath($target) {
 		$file = $this->getFile($target);
 		if (isset($file['path'])) {
+			$uid = substr($file['path'], 1, strpos($file['path'], '/', 1) - 1);
+			OC_Filesystem::mount('OC_Filestorage_Local', array('datadir' => OC_User::getHome($uid)), $uid);
 			return $file['path'];
 		}
 		return false;
diff --git a/lib/util.php b/lib/util.php
index 24f80b9389698768bb0954bd8210352b48aeaf7f..b77d6cb1b65e89467fe8d313f9b9cfd1975bcf92 100755
--- a/lib/util.php
+++ b/lib/util.php
@@ -35,13 +35,11 @@ class OC_Util {
 			$user_dir = '/'.$user.'/files';
 			$user_root = OC_User::getHome($user);
 			$userdirectory = $user_root . '/files';
-			OC_Filesystem::mount('OC_Filestorage_Local',array('datadir'=>$user_root), $user);
 			if( !is_dir( $userdirectory )){
 				mkdir( $userdirectory, 0755, true );
 			}
-			OC_Filesystem::mount('OC_Filestorage_Local',array('datadir'=>$user_root), $user);
-
 			//jail the user into his "home" directory
+			OC_Filesystem::mount('OC_Filestorage_Local', array('datadir' => $user_root), $user);
 			OC_Filesystem::init($user_dir);
 			$quotaProxy=new OC_FileProxy_Quota();
 			OC_FileProxy::register($quotaProxy);
@@ -59,12 +57,6 @@ class OC_Util {
 		}
 	}
 
-	public static function setupFS4all(){
-		foreach(OC_User::getUsers() as $user){
-			OC_Filesystem::mount('OC_Filestorage_Local',array('datadir'=>OC_User::getHome($singleuser)), $user);
-		}
-	}
-
 	public static function tearDownFS(){
 		OC_Filesystem::tearDown();
 		self::$fsSetup=false;