diff --git a/README.md b/README.md
index 39a688ca2..e938b5c29 100644
--- a/README.md
+++ b/README.md
@@ -38,6 +38,7 @@ Further documentation can be found in the [docs](docs/) folder and on the [wiki]
 * [Tessera](https://github.com/jpmorganchase/tessera): Java implementation of peer-to-peer encrypted message exchange for transaction privacy
 * [Raft Consensus Documentation](raft/doc.md)
 * [Istanbul BFT Consensus Documentation](https://github.com/ethereum/EIPs/issues/650): [RPC API](https://github.com/getamis/go-ethereum/wiki/RPC-API) and [technical article](https://medium.com/getamis/istanbul-bft-ibft-c2758b7fe6ff)
+* [Clique POA Consensus Documentation](https://github.com/ethereum/EIPs/issues/225) and a [guide to setup clique json](https://modalduality.org/posts/puppeth/) with [puppeth](https://blog.ethereum.org/2017/04/14/geth-1-6-puppeth-master/)
 * [ZSL](https://github.com/jpmorganchase/quorum/wiki/ZSL) wiki page and [documentation](https://github.com/jpmorganchase/zsl-q/blob/master/README.md)
 * [quorum-tools](https://github.com/jpmorganchase/quorum-tools): local cluster orchestration, and integration testing tool
 
diff --git a/miner/worker.go b/miner/worker.go
index 1310dd1a0..c83e4af53 100644
--- a/miner/worker.go
+++ b/miner/worker.go
@@ -150,7 +150,7 @@ func newWorker(config *params.ChainConfig, engine consensus.Engine, coinbase com
 		unconfirmed:    newUnconfirmedBlocks(eth.BlockChain(), miningLogAtDepth),
 	}
 
-	if _, ok := engine.(consensus.Istanbul); ok || !config.IsQuorum {
+	if _, ok := engine.(consensus.Istanbul); ok || !config.IsQuorum || config.Clique != nil {
 		// Subscribe TxPreEvent for tx pool
 		worker.txSub = eth.TxPool().SubscribeTxPreEvent(worker.txCh)
 		// Subscribe events for blockchain