diff --git a/core/blockchain.go b/core/blockchain.go
index b33eb85a44..7755abe63b 100644
--- a/core/blockchain.go
+++ b/core/blockchain.go
@@ -47,8 +47,8 @@ import (
 
 var (
 	blockInsertTimer = metrics.NewRegisteredTimer("chain/inserts", nil)
-
-	ErrNoGenesis = errors.New("Genesis not found in chain")
+	Checkpoint       = make(chan int)
+	ErrNoGenesis     = errors.New("Genesis not found in chain")
 )
 
 const (
@@ -1185,6 +1185,11 @@ func (bc *BlockChain) insertChain(chain types.Blocks) (int, []interface{}, []*ty
 		stats.processed++
 		stats.usedGas += usedGas
 		stats.report(chain, i, bc.stateCache.TrieDB().Size())
+		if i == len(chain)-1 {
+			if (bc.chainConfig.Clique != nil) && (chain[i].NumberU64()%bc.chainConfig.Clique.Epoch) == 0 {
+				Checkpoint <- 1
+			}
+		}
 	}
 	// Append a single chain head event if we've progressed the chain
 	if lastCanon != nil && bc.CurrentBlock().Hash() == lastCanon.Hash() {
@@ -1422,11 +1427,9 @@ func (bc *BlockChain) reportBlock(block *types.Block, receipts types.Receipts, e
 	log.Error(fmt.Sprintf(`
 ########## BAD BLOCK #########
 Chain config: %v
-
 Number: %v
 Hash: 0x%x
 %v
-
 Error: %v
 ##############################
 `, bc.chainConfig, block.Number(), block.Hash(), receiptString, err))
@@ -1561,4 +1564,4 @@ func (bc *BlockChain) SubscribeChainSideEvent(ch chan<- ChainSideEvent) event.Su
 // SubscribeLogsEvent registers a subscription of []*types.Log.
 func (bc *BlockChain) SubscribeLogsEvent(ch chan<- []*types.Log) event.Subscription {
 	return bc.scope.Track(bc.logsFeed.Subscribe(ch))
-}
+}
\ No newline at end of file
diff --git a/miner/worker.go b/miner/worker.go
index 15395ae0b9..4f9ce13d70 100644
--- a/miner/worker.go
+++ b/miner/worker.go
@@ -488,6 +488,9 @@ func (self *worker) commitNewWork() {
 		log.Info("Commit new mining work", "number", work.Block.Number(), "txs", work.tcount, "uncles", len(uncles), "elapsed", common.PrettyDuration(time.Since(tstart)))
 		self.unconfirmed.Shift(work.Block.NumberU64() - 1)
 	}
+	if (work.config.Clique != nil) && (work.Block.NumberU64()%work.config.Clique.Epoch) == 0 {
+		core.Checkpoint <- 1
+	}
 	self.push(work)
 }
 
@@ -601,4 +604,4 @@ func (env *Work) commitTransaction(tx *types.Transaction, bc *core.BlockChain, c
 	env.receipts = append(env.receipts, receipt)
 
 	return nil, receipt.Logs
-}
+}
\ No newline at end of file