diff --git a/pressure-vessel/tree-copy.c b/pressure-vessel/tree-copy.c
index 80b014442d6d50f6310da84b6870a1b2c49dacf0..5d56cb6a81ae477453b09977af2b73ccd646f20c 100644
--- a/pressure-vessel/tree-copy.c
+++ b/pressure-vessel/tree-copy.c
@@ -274,7 +274,7 @@ copy_tree_helper (const char *fpath,
          * fails too. */
         if (!glnx_file_copy_at (AT_FDCWD, fpath, sb,
                                 AT_FDCWD, dest,
-                                GLNX_FILE_COPY_OVERWRITE,
+                                GLNX_FILE_COPY_OVERWRITE | GLNX_FILE_COPY_NOCHOWN,
                                 NULL, error))
           {
             glnx_prefix_error (error, "Unable to copy \"%s\" to \"%s\"",