diff --git a/miner/worker.go b/miner/worker.go
index 9bd1100870c7..f2d9ea934277 100644
--- a/miner/worker.go
+++ b/miner/worker.go
@@ -1183,11 +1183,11 @@ func (w *worker) commitNewWork(interrupt *int32, noempty bool, timestamp int64)
 			return
 		}
 	}
-	if parent.Time() >= uint64(timestamp) {
-		timestamp = int64(parent.Time() + 1)
-	}
 
 	if metaminer.IsPoW() {
+		if parent.Time() >= uint64(timestamp) {
+			timestamp = int64(parent.Time() + 1)
+		}
 		// this will ensure we're not going off too far in the future
 		if now := time.Now().Unix(); timestamp > now+1 {
 			wait := time.Duration(timestamp-now) * time.Second