t.go | 11 +++++------

diff --git a/t.go b/t.go
index 02d629794a333642568a8f96130ebcd032e17cba..5fa9f3ddc22921e1b5ba1352b4040d16f719cf6a 100644
--- a/t.go
+++ b/t.go
@@ -130,15 +130,14 @@ 	defer t.cl.unlock()
 	return t.seeding()
 }
 
-// Clobbers the torrent display name. The display name is used as the torrent
-// name if the metainfo is not available.
+// Clobbers the torrent display name if metainfo is unavailable.
+// The display name is used as the torrent name while the metainfo is unavailable.
 func (t *Torrent) SetDisplayName(dn string) {
 	t.nameMu.Lock()
-	defer t.nameMu.Unlock()
-	if t.haveInfo() {
-		return
+	if !t.haveInfo() {
+		t.displayName = dn
 	}
-	t.displayName = dn
+	t.nameMu.Unlock()
 }
 
 // The current working name for the torrent. Either the name in the info dict,