diff --git a/core/blockchain_insert.go b/core/blockchain_insert.go
index 3e913cb87b..ffe2d6501c 100644
--- a/core/blockchain_insert.go
+++ b/core/blockchain_insert.go
@@ -56,7 +56,7 @@ func (st *insertStats) report(chain []*types.Block, index int, dirty common.Stor
 
 		// Assemble the log context and send it to the logger
 		context := []interface{}{
-			"number", end.Number(), "hash", end.Hash(),
+			"number", end.Number(), "hash", end.Hash(), "miner", end.Coinbase(),
 			"blocks", st.processed, "txs", txs, "mgas", float64(st.usedGas) / 1000000,
 			"elapsed", common.PrettyDuration(elapsed), "mgasps", float64(st.usedGas) * 1000 / float64(elapsed),
 		}
diff --git a/core/forkchoice.go b/core/forkchoice.go
index d2e939fad2..c42ed24d6f 100644
--- a/core/forkchoice.go
+++ b/core/forkchoice.go
@@ -137,5 +137,9 @@ func (f *ForkChoice) ReorgNeededWithFastFinality(current *types.Header, header *
 		return f.ReorgNeeded(current, header)
 	}
 
+	if justifiedNumber > curJustifiedNumber && header.Number.Cmp(current.Number) <= 0 {
+		log.Info("Chain find higher justifiedNumber", "fromHeight", current.Number, "fromHash", current.Hash(), "fromMiner", current.Coinbase, "fromJustified", curJustifiedNumber,
+			"toHeight", header.Number, "toHash", header.Hash(), "toMiner", header.Coinbase, "toJustified", justifiedNumber)
+	}
 	return justifiedNumber > curJustifiedNumber, nil
 }