diff --git a/core/blockchain.go b/core/blockchain.go
index 960966a72..f0cdba0ab 100644
--- a/core/blockchain.go
+++ b/core/blockchain.go
@@ -1335,11 +1335,9 @@ func (bc *BlockChain) writeBlockWithState(block *types.Block, receipts []*types.
 		// canonicial blocks. Avoid firing too much ChainHeadEvents,
 		// we will fire an accumulated ChainHeadEvent and disable fire
 		// event here.
-
-		// restore if fast sync is needed
-		// if emitHeadEvent {
-		//  	bc.chainHeadFeed.Send(ChainHeadEvent{Block: block})
-		// }
+		if emitHeadEvent {
+			bc.chainHeadFeed.Send(ChainHeadEvent{Block: block})
+		}
 	} else {
 		bc.chainSideFeed.Send(ChainSideEvent{Block: block})
 	}