diff --git a/libcontainer/rootfs_linux.go b/libcontainer/rootfs_linux.go
index fecb5d44eb1..35eabbe31c7 100644
--- a/libcontainer/rootfs_linux.go
+++ b/libcontainer/rootfs_linux.go
@@ -1080,7 +1080,7 @@ func remount(m *configs.Mount, rootfs string, mountFd *int) error {
 			return err
 		}
 		// ... and retry the mount with flags found above.
-		flags |= uintptr(s.Flags&(unix.MS_RDONLY|unix.MS_NODEV|unix.MS_NOEXEC|unix.MS_NOSUID))
+		flags |= uintptr(s.Flags & (unix.MS_RDONLY | unix.MS_NODEV | unix.MS_NOEXEC | unix.MS_NOSUID))
 		return mount(source, m.Destination, procfd, m.Device, flags, "")
 	})
 }