fix PR#15219

git-svn-id: https://svn.r-project.org/R/trunk@63315 00db46b3-68df-0310-9c12-caf00c1e9a41
wish of PR#15192

git-svn-id: https://svn.r-project.org/R/trunk@63317 00db46b3-68df-0310-9c12-caf00c1e9a41