diff --git a/lib/bcoin/miner.js b/lib/bcoin/miner.js
index 105f8de8..613b57a8 100644
--- a/lib/bcoin/miner.js
+++ b/lib/bcoin/miner.js
@@ -57,13 +57,6 @@ function Miner(options) {
   this.attempt = null;
   this.workerPool = null;
 
-  if (bcoin.useWorkers) {
-    this.workerPool = new bcoin.workers({
-      size: this.options.parallel ? 2 : 1,
-      timeout: -1
-    });
-  }
-
   this._init();
 }
 
@@ -117,6 +110,17 @@ Miner.prototype._init = function _init() {
       stat.height,
       stat.best);
   });
+
+  if (bcoin.useWorkers) {
+    this.workerPool = new bcoin.workers({
+      size: this.options.parallel ? 2 : 1,
+      timeout: -1
+    });
+
+    this.workerPool.on('error', function(err) {
+      self.emit('error', err);
+    });
+  }
 };
 
 /**
@@ -365,6 +369,8 @@ function MinerBlock(options) {
   this._init();
 }
 
+utils.inherits(MinerBlock, EventEmitter);
+
 /**
  * Initialize the block.
  * @private
@@ -446,8 +452,6 @@ MinerBlock.prototype._init = function _init() {
   this.updateMerkle();
 };
 
-utils.inherits(MinerBlock, EventEmitter);
-
 /**
  * Update the commitment output for segwit.
  */