diff --git a/extern/storage-sealing/fsm.go b/extern/storage-sealing/fsm.go
index d14d363e519..8726fe2f885 100644
--- a/extern/storage-sealing/fsm.go
+++ b/extern/storage-sealing/fsm.go
@@ -410,15 +410,16 @@ func (m *Sealing) onUpdateSector(ctx context.Context, state *SectorInfo) error {
 	if err != nil {
 		return xerrors.Errorf("getting config: %w", err)
 	}
-	sp, err := m.currentSealProof(ctx)
-	if err != nil {
-		return xerrors.Errorf("getting seal proof type: %w", err)
-	}
 
 	shouldUpdateInput := m.stats.updateSector(cfg, m.minerSectorID(state.SectorNumber), state.State)
 
 	// trigger more input processing when we've dipped below max sealing limits
 	if shouldUpdateInput {
+		sp, err := m.currentSealProof(ctx)
+		if err != nil {
+			return xerrors.Errorf("getting seal proof type: %w", err)
+		}
+
 		go func() {
 			m.inputLk.Lock()
 			defer m.inputLk.Unlock()