diff --git a/lib/bcoin/chain.js b/lib/bcoin/chain.js
index d66d8e39..c01c4794 100644
--- a/lib/bcoin/chain.js
+++ b/lib/bcoin/chain.js
@@ -601,6 +601,10 @@ Chain.prototype.getNextBlock = function getNextBlock(hash) {
   return this.index.hashes[entry.index + 1] || null;
 };
 
+Chain.prototype.size = function size() {
+  return this.index.hashes.length;
+};
+
 Chain.prototype.toJSON = function toJSON() {
   var keep = 1000;
 
diff --git a/lib/bcoin/fullchain.js b/lib/bcoin/fullchain.js
index db1039ff..3c0b360e 100644
--- a/lib/bcoin/fullchain.js
+++ b/lib/bcoin/fullchain.js
@@ -431,6 +431,10 @@ Chain.prototype.getNextBlock = function getNextBlock(hash) {
   return entry.next.hash;
 };
 
+Chain.prototype.size = function size() {
+  return this.index.entries.length;
+};
+
 Chain.prototype._save = function(entry) {
   var self = this;
 
diff --git a/lib/bcoin/pool.js b/lib/bcoin/pool.js
index 8d88f0da..3724743a 100644
--- a/lib/bcoin/pool.js
+++ b/lib/bcoin/pool.js
@@ -330,8 +330,7 @@ Pool.prototype._handleMerkle = function _handleMerkle(block, peer) {
 
 Pool.prototype._handleBlock = function _handleBlock(block, peer) {
   var self = this;
-  var chainIndex = this.chain.index;
-  var hash, len, orphan, err;
+  var hash, size, orphan, err;
 
   if (this.listeners('watched').length > 0) {
     utils.nextTick(function() {
@@ -347,7 +346,7 @@ Pool.prototype._handleBlock = function _handleBlock(block, peer) {
   this._response(block);
 
   hash = block.hash('hex');
-  len = chainIndex.hashes.length;
+  size = this.chain.size();
   orphan = this.chain.hasOrphan(block);
 
   err = this.chain.add(block);
@@ -363,7 +362,7 @@ Pool.prototype._handleBlock = function _handleBlock(block, peer) {
     return;
   }
 
-  if (chainIndex.hashes.length === len)
+  if (this.chain.size() === size)
     return;
 
   this.emit('chain-progress', this.chain.fillPercent(), peer);