diff --git a/extern/storage-sealing/garbage.go b/extern/storage-sealing/garbage.go
index caf371806..fc8e86c55 100644
--- a/extern/storage-sealing/garbage.go
+++ b/extern/storage-sealing/garbage.go
@@ -54,13 +54,14 @@ func (m *Sealing) PledgeSector() error {
 			log.Errorf("%+v", err)
 			return
 		}
-		err = m.sealer.NewSector(ctx, m.minerSector(sid))
+		sectorID := m.minerSector(sid)
+		err = m.sealer.NewSector(ctx, sectorID)
 		if err != nil {
 			log.Errorf("%+v", err)
 			return
 		}
 
-		pieces, err := m.pledgeSector(ctx, m.minerSector(sid), []abi.UnpaddedPieceSize{}, size)
+		pieces, err := m.pledgeSector(ctx, sectorID, []abi.UnpaddedPieceSize{}, size)
 		if err != nil {
 			log.Errorf("%+v", err)
 			return