diff '--color=auto' -ru a/src/main/archives.c b/src/main/archives.c
--- a/src/main/archives.c	2023-03-02 05:43:19.000000000 +0300
+++ b/src/main/archives.c	2023-05-25 00:18:25.633405577 +0300
@@ -1063,9 +1063,16 @@
       tarobject_set_se_context(fnamevb.buf, fnametmpvb.buf, stab.st_mode);
     } else {
       debug(dbg_eachfiledetail, "tarobject nondirectory, 'link' backup");
-      if (link(fnamevb.buf,fnametmpvb.buf))
-        ohshite(_("unable to make backup link of '%.255s' before installing new version"),
-                ti->name);
+      if (link(fnamevb.buf,fnametmpvb.buf)) {
+        if (errno == EPERM) {
+          debug(dbg_eachfiledetail, "unable to link, falling back to nonatomic");
+          if (rename(fnamevb.buf,fnametmpvb.buf))
+            ohshite(_("unable to move aside '%.255s' to install new version"),
+                    ti->name);
+        } else
+          ohshite(_("unable to make backup link of '%.255s' before installing new version"),
+                  ti->name);
+      }
     }
   }