diff --git a/namespaces/exec.go b/namespaces/exec.go
index ea3d2caa..77550d60 100644
--- a/namespaces/exec.go
+++ b/namespaces/exec.go
@@ -50,7 +50,8 @@ func ExecContainer(container *libcontainer.Container) (pid int, err error) {
 	// command.Stderr = os.Stderr
 	command.SysProcAttr = &syscall.SysProcAttr{}
 	command.SysProcAttr.Cloneflags = flag
-	//command.ExtraFiles = []*os.File{master}
+
+	command.ExtraFiles = []*os.File{master}
 
 	println("vvvvvvvvv")
 	if err := command.Start(); err != nil {
diff --git a/namespaces/mount.go b/namespaces/mount.go
index a9b981ec..5c0b8ead 100644
--- a/namespaces/mount.go
+++ b/namespaces/mount.go
@@ -41,7 +41,7 @@ func SetupNewMountNamespace(rootfs, console string, readonly bool) error {
 	if err := os.Remove(ptmx); err != nil && !os.IsNotExist(err) {
 		return err
 	}
-	if err := os.Symlink(filepath.Join(rootfs, "pts/ptmx"), ptmx); err != nil {
+	if err := os.Symlink("pts/ptmx", ptmx); err != nil {
 		return fmt.Errorf("symlink dev ptmx %s", err)
 	}