diff --git a/go.mod b/go.mod
index b124b73b8..8e7e591d2 100644
--- a/go.mod
+++ b/go.mod
@@ -37,7 +37,7 @@ require (
 	github.com/filecoin-project/sector-storage v0.0.0-20200803184904-3cab915fd225
 	github.com/filecoin-project/specs-actors v0.8.6
 	github.com/filecoin-project/specs-storage v0.1.1-0.20200622113353-88a9704877ea
-	github.com/filecoin-project/storage-fsm v0.0.0-20200730122205-d423ae90d8d4
+	github.com/filecoin-project/storage-fsm v0.0.0-20200805013058-9d9ea4e6331f
 	github.com/gbrlsnchs/jwt/v3 v3.0.0-beta.1
 	github.com/go-kit/kit v0.10.0
 	github.com/go-ole/go-ole v1.2.4 // indirect
diff --git a/go.sum b/go.sum
index af178598e..5b82443f3 100644
--- a/go.sum
+++ b/go.sum
@@ -275,8 +275,8 @@ github.com/filecoin-project/specs-actors v0.8.6 h1:EnmrHqpzURzGeSDbeui/snQTVzl/R
 github.com/filecoin-project/specs-actors v0.8.6/go.mod h1:QRihI/fadrhWzt7HH6mT32upOdDFpSYCFnr3JEI1L50=
 github.com/filecoin-project/specs-storage v0.1.1-0.20200622113353-88a9704877ea h1:iixjULRQFPn7Q9KlIqfwLJnlAXO10bbkI+xy5GKGdLY=
 github.com/filecoin-project/specs-storage v0.1.1-0.20200622113353-88a9704877ea/go.mod h1:Pr5ntAaxsh+sLG/LYiL4tKzvA83Vk5vLODYhfNwOg7k=
-github.com/filecoin-project/storage-fsm v0.0.0-20200730122205-d423ae90d8d4 h1:Eg7Ia3iRWKMXpS7bU8ufarQJyGsBor7eGgfrAHfn8HA=
-github.com/filecoin-project/storage-fsm v0.0.0-20200730122205-d423ae90d8d4/go.mod h1:1CGbd11KkHuyWPT+xwwCol1zl/jnlpiKD2L4fzKxaiI=
+github.com/filecoin-project/storage-fsm v0.0.0-20200805013058-9d9ea4e6331f h1:WeMFRLMtAFqUwobouSeYj3pfgYtsSUwi3ztqDzFJMZY=
+github.com/filecoin-project/storage-fsm v0.0.0-20200805013058-9d9ea4e6331f/go.mod h1:1CGbd11KkHuyWPT+xwwCol1zl/jnlpiKD2L4fzKxaiI=
 github.com/flynn/go-shlex v0.0.0-20150515145356-3f9db97f8568/go.mod h1:xEzjJPgXI435gkrCt3MPfRiAkVrwSbHsst4LCFVfpJc=
 github.com/flynn/noise v0.0.0-20180327030543-2492fe189ae6 h1:u/UEqS66A5ckRmS4yNpjmVH56sVtS/RfclBAYocb4as=
 github.com/flynn/noise v0.0.0-20180327030543-2492fe189ae6/go.mod h1:1i71OnUq3iUe1ma7Lr6yG6/rjvM3emb6yoL7xLFzcVQ=
diff --git a/storage/adapter_storage_miner.go b/storage/adapter_storage_miner.go
index 5d7c494c8..b74b7f46d 100644
--- a/storage/adapter_storage_miner.go
+++ b/storage/adapter_storage_miner.go
@@ -164,8 +164,8 @@ func (s SealingAPIAdapter) StateSectorPreCommitInfo(ctx context.Context, maddr a
 	if err := state.UnmarshalCBOR(bytes.NewReader(st)); err != nil {
 		return nil, xerrors.Errorf("handleSealFailed(%d): temp error: unmarshaling miner state: %+v", sectorNumber, err)
 	}
-
-	precommits, err := adt.AsMap(store.ActorStore(ctx, apibstore.NewAPIBlockstore(s.delegate)), state.PreCommittedSectors)
+	stor := store.ActorStore(ctx, apibstore.NewAPIBlockstore(s.delegate))
+	precommits, err := adt.AsMap(stor, state.PreCommittedSectors)
 	if err != nil {
 		return nil, err
 	}
@@ -176,6 +176,18 @@ func (s SealingAPIAdapter) StateSectorPreCommitInfo(ctx context.Context, maddr a
 		return nil, err
 	}
 	if !ok {
+		var allocated abi.BitField
+		if err := stor.Get(ctx, state.AllocatedSectors, &allocated); err != nil {
+			return nil, xerrors.Errorf("loading allocated sector bitfield: %w", err)
+		}
+		set, err := allocated.IsSet(uint64(sectorNumber))
+		if err != nil {
+			return nil, xerrors.Errorf("checking if sector is allocated: %w", err)
+		}
+		if set {
+			return nil, xerrors.Errorf("sectorNumber is allocated")
+		}
+
 		return nil, nil
 	}