diff --git a/miner/worker.go b/miner/worker.go
index 4b8a31d9b1..3e229cd04f 100644
--- a/miner/worker.go
+++ b/miner/worker.go
@@ -450,7 +450,8 @@ func (w *worker) newWorkLoop(recommit time.Duration) {
 		case <-timer.C:
 			// If mining is running resubmit a new work cycle periodically to pull in
 			// higher priced transactions. Disable this overhead for pending blocks.
-			if w.isRunning() && (w.chainConfig.Clique == nil || w.chainConfig.Clique.Period > 0) {
+			if w.isRunning() &&
+				(w.chainConfig.Consortium == nil || w.chainConfig.Clique == nil || w.chainConfig.Clique.Period > 0) {
 				// Short circuit if no new transaction arrives.
 				if atomic.LoadInt32(&w.newTxs) == 0 {
 					timer.Reset(recommit)