diff --git a/chain/gen/genesis/miners.go b/chain/gen/genesis/miners.go
index 07a2d0fbf..ccf422bbe 100644
--- a/chain/gen/genesis/miners.go
+++ b/chain/gen/genesis/miners.go
@@ -20,6 +20,7 @@ import (
 	"github.com/filecoin-project/specs-actors/actors/builtin/miner"
 	"github.com/filecoin-project/specs-actors/actors/builtin/power"
 	"github.com/filecoin-project/specs-actors/actors/crypto"
+	"github.com/filecoin-project/specs-actors/actors/runtime"
 
 	"github.com/filecoin-project/lotus/chain/state"
 	"github.com/filecoin-project/lotus/chain/store"
@@ -37,8 +38,16 @@ func MinerAddress(genesisIndex uint64) address.Address {
 	return maddr
 }
 
+type fakedSigSyscalls struct {
+	runtime.Syscalls
+}
+
+func (fss *fakedSigSyscalls) VerifySignature(signature crypto.Signature, signer address.Address, plaintext []byte) error {
+	return nil
+}
+
 func SetupStorageMiners(ctx context.Context, cs *store.ChainStore, sroot cid.Cid, miners []genesis.Miner) (cid.Cid, error) {
-	vm, err := vm.NewVM(sroot, 0, &fakeRand{}, cs.Blockstore(), cs.VMSys())
+	vm, err := vm.NewVM(sroot, 0, &fakeRand{}, cs.Blockstore(), &fakedSigSyscalls{cs.VMSys()})
 	if err != nil {
 		return cid.Undef, xerrors.Errorf("failed to create NewVM: %w", err)
 	}