diff --git a/extern/sector-storage/mock/mock.go b/extern/sector-storage/mock/mock.go
index 279d50d77..c7844befd 100644
--- a/extern/sector-storage/mock/mock.go
+++ b/extern/sector-storage/mock/mock.go
@@ -516,11 +516,18 @@ func (m mockVerif) VerifyAggregateSeals(aggregate proof5.AggregateSealVerifyProo
 	for pi, svi := range aggregate.Infos {
 		for i := 0; i < 32; i++ {
 			b := svi.UnsealedCID.Bytes()[i] + svi.SealedCID.Bytes()[31-i] - svi.InteractiveRandomness[i]*svi.Randomness[i] // raw proof byte
+
 			b *= uint8(pi)                                                                                                 // with aggregate index
 			out[i] += b
 		}
 	}
 
+	var sis []abi.SectorNumber
+	for _, info := range aggregate.Infos {
+		sis = append(sis, info.Number)
+	}
+	fmt.Printf("VERSIS %+v\n", sis)
+
 	return bytes.Equal(aggregate.Proof, out), nil
 }
 
@@ -531,6 +538,13 @@ func (m mockVerif) AggregateSealProofs(aggregateInfo proof5.AggregateSealVerifyP
 			out[i] += proof[i] * uint8(pi)
 		}
 	}
+
+	var sis []abi.SectorNumber
+	for _, info := range aggregateInfo.Infos {
+		sis = append(sis, info.Number)
+	}
+	fmt.Printf("AGGSIS %+v\n", sis)
+
 	return out, nil
 }
 
diff --git a/extern/storage-sealing/commit_batch.go b/extern/storage-sealing/commit_batch.go
index 34e386a49..e560ecba7 100644
--- a/extern/storage-sealing/commit_batch.go
+++ b/extern/storage-sealing/commit_batch.go
@@ -186,10 +186,17 @@ func (b *CommitBatcher) processBatch(notif, after bool) (*cid.Cid, error) {
 
 	for id, p := range b.todo {
 		params.SectorNumbers.Set(uint64(id))
-		proofs = append(proofs, p.proof)
 		infos = append(infos, p.info)
 	}
 
+	sort.Slice(infos, func(i, j int) bool {
+		return infos[i].Number < infos[j].Number
+	})
+
+	for _, info := range infos {
+		proofs = append(proofs, b.todo[info.Number].proof)
+	}
+
 	params.AggregateProof, err = b.verif.AggregateSealProofs(proof5.AggregateSealVerifyProofAndInfos{
 		Miner:          0,
 		SealProof:      spt,