diff --git a/lib/bcoin/blockdb.js b/lib/bcoin/blockdb.js
index 9e0e7f3e..1e8ffe37 100644
--- a/lib/bcoin/blockdb.js
+++ b/lib/bcoin/blockdb.js
@@ -526,9 +526,9 @@ BlockDB.prototype.getCoinsByAddress = function getCoinsByAddress(addresses, opti
         if (!key)
           return done();
 
-        parts = key.split('/').slice(3);
-        hash = parts[0];
-        index = +parts[1];
+        parts = key.split('/');
+        hash = parts[3];
+        index = +parts[4];
         record = self.parseOffset(value);
 
         self.data.getAsync(record.size, record.offset, function(err, data) {
@@ -648,7 +648,7 @@ BlockDB.prototype.getTXByAddress = function getTXByAddress(addresses, options, c
 
     (function next() {
       iter.next(function(err, key, value) {
-        var record, parts, hash, index;
+        var record, hash, index;
 
         if (err) {
           return iter.end(function() {
@@ -660,8 +660,7 @@ BlockDB.prototype.getTXByAddress = function getTXByAddress(addresses, options, c
         if (!key)
           return done();
 
-        parts = key.split('/').slice(3);
-        hash = parts[0];
+        hash = key.split('/')[3];
         record = self.parseOffset(value);
 
         if (addresses.length > 1) {
@@ -968,7 +967,7 @@ BlockDB.prototype.getHeight = function getHeight(callback) {
 
   (function next() {
     iter.next(function(err, key, value) {
-      var parts, height;
+      var height;
 
       if (err) {
         return iter.end(function() {
@@ -980,8 +979,7 @@ BlockDB.prototype.getHeight = function getHeight(callback) {
       if (!key)
         return callback(null, maxHeight);
 
-      parts = key.split('/').slice(2);
-      height = +parts[0];
+      height = +key.split('/')[2];
       if (height > maxHeight)
         maxHeight = height;