diff --git a/extern/sector-storage/storiface/filetype.go b/extern/sector-storage/storiface/filetype.go
index 3f7c7455ebc70ad43d7c96d76a768bc3281b53f7..bab5f2718d492d23bb60075b70c3cb7114b01af3 100644
--- a/extern/sector-storage/storiface/filetype.go
+++ b/extern/sector-storage/storiface/filetype.go
@@ -109,8 +109,12 @@ func ParseSectorID(baseName string) (abi.SectorID, error) {
 	}, nil
 }
 
-func SectorName(sid abi.SectorID) string {
-	return fmt.Sprintf("s-t0%d-%d", sid.Miner, sid.Number)
+func SectorName(sid abi.SectorID, numbers ...int32) string {
+	out := fmt.Sprintf("s-t0%d-%d", sid.Miner, sid.Number)
+	for _, number := range numbers{
+		out = fmt.Sprintf("%s-%d", number)
+	}
+	return out
 }
 
 func PathByType(sps SectorPaths, fileType SectorFileType) string {