diff --git a/lib/bcoin/miner.js b/lib/bcoin/miner.js
index b8f9e9dd..e276c106 100644
--- a/lib/bcoin/miner.js
+++ b/lib/bcoin/miner.js
@@ -354,7 +354,7 @@ Miner.prototype.findNonce = function findNonce() {
   // performance because we do not have to
   // recalculate the merkle root.
   now = utils.now();
-  if (now > this.block.ts) {
+  if (now > this.block.ts && now > this.last.ts) {
     this.block.ts = now;
     // Overflow the nonce
     this.block.nonce = 0;