diff --git a/cmd/discosrv/main.go b/cmd/discosrv/main.go
index 910d9c126..9619b3601 100644
--- a/cmd/discosrv/main.go
+++ b/cmd/discosrv/main.go
@@ -93,7 +93,7 @@ func main() {
 		}
 	}
 
-	db, err := leveldb.OpenFile(dbDir, &opt.Options{CachedOpenFiles: 32})
+	db, err := leveldb.OpenFile(dbDir, &opt.Options{OpenFilesCacheCapacity: 32})
 	if err != nil {
 		log.Fatal(err)
 	}