diff --git a/internal/archiver/archiver.go b/internal/archiver/archiver.go
index be80e0a74..0bd839b65 100644
--- a/internal/archiver/archiver.go
+++ b/internal/archiver/archiver.go
@@ -338,7 +338,7 @@ func (arch *Archiver) Save(ctx context.Context, snPath, target string, previous
 
 		// reopen file and do an fstat() on the open file to check it is still
 		// a file (and has not been exchanged for e.g. a symlink)
-		file, err := arch.FS.OpenFile(target, fs.O_RDONLY|fs.O_NOFOLLOW|fs.O_NONBLOCK, 0)
+		file, err := arch.FS.OpenFile(target, fs.O_RDONLY|fs.O_NOFOLLOW, 0)
 		if err != nil {
 			debug.Log("Openfile() for %v returned error: %v", target, err)
 			err = arch.error(abstarget, fi, err)