1 files changed, 1 insertions, 1 deletions
diff --git a/sort.go b/sort.go
index 1bf34bb..eb2defa 100644
--- a/sort.go
+++ b/sort.go
@@ -191,7 +191,7 @@ func (pf *File) appendUnique(w io.Writer, blah *MsgName, names map[string]string
 	var LOCK string = pf.Bases.Lockname
 
 	if argv.Mutex {
-		LOCK = pf.Bases.Name + ".Lock"
+		LOCK = pf.Bases.Lockname
 	} else {
 		LOCK = "all.Lock"
 	}