diff --git a/lib/bcoin/miner.js b/lib/bcoin/miner.js
index f2df1ba8..0609a671 100644
--- a/lib/bcoin/miner.js
+++ b/lib/bcoin/miner.js
@@ -217,7 +217,7 @@ Miner.prototype.stop = function stop() {
 
 Miner.prototype.createBlock = function createBlock(callback) {
   var self = this;
-  var ts = Math.max(utils.now(), this.chain.tip.ts + 1);
+  var ts = Math.max(bcoin.now(), this.chain.tip.ts + 1);
   var attempt;
 
   if (!this.loaded) {
@@ -370,7 +370,7 @@ function MinerBlock(options) {
     version: options.version,
     prevBlock: this.tip.hash,
     merkleRoot: constants.NULL_HASH,
-    ts: Math.max(utils.now(), this.tip.ts + 1),
+    ts: Math.max(bcoin.now(), this.tip.ts + 1),
     bits: options.target,
     nonce: 0,
     height: this.height
@@ -429,7 +429,7 @@ MinerBlock.prototype.updateMerkle = function updateMerkle() {
   if (this.witness)
     this.updateCommitment();
 
-  this.block.ts = Math.max(utils.now(), this.tip.ts + 1);
+  this.block.ts = Math.max(bcoin.now(), this.tip.ts + 1);
   this.block.merkleRoot = this.block.getMerkleRoot('hex');
 };
 
@@ -516,7 +516,7 @@ MinerBlock.prototype.findNonce = function findNonce() {
   // update the timestamp. This improves
   // performance because we do not have to
   // recalculate the merkle root.
-  now = utils.now();
+  now = bcoin.now();
   if (now > block.ts && now > tip.ts) {
     block.ts = now;
     // Overflow the nonce