diff --git a/lib/TransactionDb.js b/lib/TransactionDb.js
index 67ada5e7..dfa7ef2a 100644
--- a/lib/TransactionDb.js
+++ b/lib/TransactionDb.js
@@ -586,8 +586,8 @@ TransactionDb.prototype.add = function(tx, blockhash, cb) {
 
             // existed? 
             var k = OUTS_PREFIX + tx.txid + '-' + o.n;
-            db.get(k, function(err) {
-              if (err && err.notFound) {
+            db.get(k, function(err, val) {
+              if (!val || (err && err.notFound)) {
                 db.batch()
                   .put(k, addr + ':' + sat)
                   .put(ADDR_PREFIX + addr + '-' + tx.txid + '-' + o.n, sat + ':' + ts)
@@ -698,7 +698,6 @@ TransactionDb.prototype.createFromArray = function(txs, blockHash, next) {
 
         Rpc.getTxInfo(t, function(err, inInfo) {
           if (!inInfo) return each_cb(err);
-
           return self.add(inInfo, blockHash, each_cb);
         });
       } else {
diff --git a/package.json b/package.json
index f7b2404a..75378098 100644
--- a/package.json
+++ b/package.json
@@ -50,7 +50,7 @@
     "start": "node node_modules/grunt-cli/bin/grunt"
   },
   "dependencies": {
-    "bitcore": "=0.1.18",
+    "bitcore": "=0.1.19",
     "base58-native": "0.1.2",
     "async": "*",
     "leveldown": "*",