diff --git a/weed/storage/store.go b/weed/storage/store.go
index 0d4d6e916..e64dd8fab 100644
--- a/weed/storage/store.go
+++ b/weed/storage/store.go
@@ -221,7 +221,7 @@ func (s *Store) CollectHeartbeat() *master_pb.Heartbeat {
 				if v.expiredLongEnough(MAX_TTL_VOLUME_REMOVAL_DELAY) {
 					deleteVids = append(deleteVids, v.Id)
 				} else {
-					glog.V(0).Infoln("volume %d is expired", v.Id)
+					glog.V(0).Infof("volume %d is expired", v.Id)
 				}
 				if v.lastIoError != nil {
 					deleteVids = append(deleteVids, v.Id)