diff --git a/lib/services/bitcoind.js b/lib/services/bitcoind.js
index be8ce904..f2e5c89a 100644
--- a/lib/services/bitcoind.js
+++ b/lib/services/bitcoind.js
@@ -597,6 +597,14 @@ Bitcoin.prototype.syncPercentage = function(callback) {
   });
 };
 
+Bitcoin.prototype._normalizeAddressArg = function(addressArg) {
+  var addresses = [addressArg];
+  if (Array.isArray(addressArg)) {
+    addresses = addressArg;
+  }
+  return addresses;
+};
+
 /**
  * Will get the balance for an address or multiple addresses
  * @param {String|Address|Array} addressArg - An address string, bitcore address, or array of addresses
@@ -605,10 +613,7 @@ Bitcoin.prototype.syncPercentage = function(callback) {
  */
 Bitcoin.prototype.getAddressBalance = function(addressArg, options, callback) {
   var self = this;
-  var addresses = [addressArg];
-  if (Array.isArray(addressArg)) {
-    addresses = addressArg;
-  }
+  var addresses = self._normalizeAddressArg(addressArg);
   var cacheKey = addresses.join('');
   var balance = self.balanceCache.get(cacheKey);
   if (balance) {
@@ -634,10 +639,7 @@ Bitcoin.prototype.getAddressBalance = function(addressArg, options, callback) {
  */
 Bitcoin.prototype.getAddressUnspentOutputs = function(addressArg, options, callback) {
   var self = this;
-  var addresses = [addressArg];
-  if (Array.isArray(addressArg)) {
-    addresses = addressArg;
-  }
+  var addresses = self._normalizeAddressArg(addressArg);
   var cacheKey = addresses.join('');
   var utxos = self.utxosCache.get(cacheKey);
   if (utxos) {
@@ -685,10 +687,7 @@ Bitcoin.prototype._getTxidsFromMempool = function(deltas) {
 Bitcoin.prototype.getAddressTxids = function(addressArg, options, callback) {
   var self = this;
   var queryMempool = _.isUndefined(options.queryMempool) ? true : options.queryMempool;
-  var addresses = [addressArg];
-  if (Array.isArray(addressArg)) {
-    addresses = addressArg;
-  }
+  var addresses = self._normalizeAddressArg(addressArg);
   var cacheKey = addresses.join('');
   var mempoolTxids = [];
   var txids = self.txidsCache.get(cacheKey);
@@ -859,10 +858,7 @@ Bitcoin.prototype._paginateTxids = function(fullTxids, from, to) {
  */
 Bitcoin.prototype.getAddressHistory = function(addressArg, options, callback) {
   var self = this;
-  var addresses = [addressArg];
-  if (_.isArray(addressArg)) {
-    addresses = addressArg;
-  }
+  var addresses = self._normalizeAddressArg(addressArg);
   if (addresses.length > this.maxAddressesQuery) {
     return callback(new TypeError('Maximum number of addresses (' + this.maxAddressesQuery + ') exceeded'));
   }
@@ -911,18 +907,13 @@ Bitcoin.prototype.getAddressSummary = function(addressArg, options, callback) {
   var queryMempool = _.isUndefined(options.queryMempool) ? true : options.queryMempool;
   var summaryTxids = [];
   var mempoolTxids = [];
-
-  var addresses = [addressArg];
-  if (Array.isArray(addressArg)) {
-    addresses = addressArg;
-  }
-
+  var addresses = self._normalizeAddressArg(addressArg);
   var cacheKey = addresses.join('');
 
   function querySummary() {
     async.parallel([
       function getTxList(done) {
-        self.getAddressTxids(addressArg, {queryMempool: false}, function(err, txids) {
+        self.getAddressTxids(addresses, {queryMempool: false}, function(err, txids) {
           if (err) {
             return done(err);
           }
@@ -932,7 +923,7 @@ Bitcoin.prototype.getAddressSummary = function(addressArg, options, callback) {
         });
       },
       function getBalance(done) {
-        self.getAddressBalance(addressArg, options, function(err, data) {
+        self.getAddressBalance(addresses, options, function(err, data) {
           if (err) {
             return done(err);
           }
@@ -946,7 +937,7 @@ Bitcoin.prototype.getAddressSummary = function(addressArg, options, callback) {
         if (!queryMempool) {
           return done();
         }
-        self.client.getAddressMempool({'addresses': [addressArg]}, function(err, response) {
+        self.client.getAddressMempool({'addresses': addresses}, function(err, response) {
           if (err) {
             return done(self._wrapRPCError(err));
           }