diff --git a/lib/addresses.js b/lib/addresses.js
index 0ecbd26..a7ea7e2 100644
--- a/lib/addresses.js
+++ b/lib/addresses.js
@@ -316,9 +316,12 @@ AddressController.prototype.multitxs = function(req, res) {
         return self.common.handleErrors(err, res);
       }
 
+      var lastItem = items.find(a => a.confirmations !== 0), //assuming items is recent tx first order
+      lastItem = typeof lastItem === 'object' ? lastItem.txid: undefined 
+      
       var ret = {
         totalItems: result.totalCount,
-        lastItem: items.find(a => a.confirmations !== 0), //assuming items is recent tx first order
+        lastItem: lastItem,
         //from: options.from,
         //to: Math.min(options.to, result.totalCount),
         items: items
@@ -352,20 +355,20 @@ AddressController.prototype.multitxs_ws = function(ws, req) {
       return self.common.handleErrors_ws(err, ws, false);
     }
 
-    self.txController.transformTransaction(tx, transformOptions, function(err, data){
+    self.txController.transformTransaction(data, transformOptions, function(err, tx){
 
       if(err) {
         return self.common.handleErrors_ws(err, ws, false);
       }
 
       //finding the last key (useful for `after` option on next request call)
-      if(data.confirmations)
-        if(lastItem.height < data.blockheight || (lastItem.height == data.blockheight && lastItem.id < data.txid)){
-          lastItem.id = data.txid; 
-          lastItem.height = data.blockheight;
+      if(tx.confirmations)
+        if(lastItem.height < tx.blockheight || (lastItem.height == tx.blockheight && lastItem.id < tx.txid)){
+          lastItem.id = tx.txid; 
+          lastItem.height = tx.blockheight;
         }
       
-      ws.send({data})
+      ws.send({data: tx})
     
     });