diff --git a/lib/network/protocol.js b/lib/network/protocol.js
index 2052aaca..e1508a7e 100644
--- a/lib/network/protocol.js
+++ b/lib/network/protocol.js
@@ -196,6 +196,11 @@ Protocol.prototype._handleConsign = function(params, callback) {
 
     var contract = item.contracts[params.contact.nodeID];
     var t = Date.now();
+
+    if (!contract) {
+      return callback(new Error('Consignment is not authorized'));
+    }
+
     item.trees[contract.get('renter_id')] = params.audit_tree;
 
     try {
diff --git a/package.json b/package.json
index 2b8ebed8..436266df 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "storj",
-  "version": "1.3.3",
+  "version": "1.3.4",
   "description": "implementation of the storj protocol for node.js and the browser",
   "main": "index.js",
   "directories": {
diff --git a/test/network/protocol.unit.js b/test/network/protocol.unit.js
index cf8ce290..98f343ae 100644
--- a/test/network/protocol.unit.js
+++ b/test/network/protocol.unit.js
@@ -7,6 +7,7 @@ var Logger = require('kad').Logger;
 var KeyPair = require('../../lib/keypair');
 var stream = require('readable-stream');
 var constants = require('../../lib/constants');
+var StorageItem = require('../../lib/storage/item');
 
 describe('Protocol', function() {
 
@@ -234,6 +235,23 @@ describe('Protocol', function() {
       });
     });
 
+    it('should error if the contract is for different nodeid', function(done) {
+      var proto = new Protocol({
+        network: {
+          _logger: Logger(0),
+          _manager: {
+            load: sinon.stub().callsArgWith(1, null, StorageItem({}))
+          }
+        }
+      });
+      proto._handleConsign({
+        contact: { nodeID: 'adc83b19e793491b1c6ea0fd8b46cd9f32e592fc' }
+      }, function(err) {
+        expect(err.message).to.equal('Consignment is not authorized');
+        done();
+      });
+    });
+
     it('should error if the consign is early or late', function(done) {
       var proto = new Protocol({
         network: {