diff --git a/lib/bcoin/mempool.js b/lib/bcoin/mempool.js
index 122cfc0d..b488982e 100644
--- a/lib/bcoin/mempool.js
+++ b/lib/bcoin/mempool.js
@@ -29,7 +29,7 @@ function Mempool(node, options) {
   this.options = options;
   this.node = node;
   this.pool = node.pool;
-  this.storage = node.storage;
+  this.block = node.block;
 
   this.txs = {};
   this.spent = {};
@@ -198,7 +198,7 @@ Mempool.prototype.addTX = function addTX(tx, peer, callback) {
 
   this._lockTX(tx);
 
-  this.storage.fillCoin(tx, function(err) {
+  this.block.fillCoin(tx, function(err) {
     var i, input, dup, height, ts, priority;
 
     self._unlockTX(tx);