diff --git a/cmd/lotus/daemon.go b/cmd/lotus/daemon.go
index 9af07b896..53d24553f 100644
--- a/cmd/lotus/daemon.go
+++ b/cmd/lotus/daemon.go
@@ -14,6 +14,7 @@ import (
 	"path"
 	"runtime/pprof"
 	"strings"
+	"time"
 
 	"github.com/DataDog/zstd"
 	levelds "github.com/ipfs/go-ds-leveldb"
@@ -679,6 +680,13 @@ func slashConsensus(a lapi.FullNode, p string, from string) error {
 				log.Errorf("could not serialize declare faults parameters: %s", err)
 				continue
 			}
+			for {
+				head, err := a.ChainHead(ctx)
+				if err != nil || head.Height() > block.Height {
+					break
+				}
+				time.Sleep(time.Second * 10)
+			}
 			message, err := a.MpoolPushMessage(ctx, &types.Message{
 				To:     block.Miner,
 				From:   fromAddr,