diff --git a/Tests/SendConsignments/SendMuliColoConsignmentTest.php b/Tests/SendConsignments/SendMuliColoConsignmentTest.php
index 8476ec67..e3253f28 100755
--- a/Tests/SendConsignments/SendMuliColoConsignmentTest.php
+++ b/Tests/SendConsignments/SendMuliColoConsignmentTest.php
@@ -14,6 +14,7 @@
 namespace MyParcelNL\Sdk\tests\SendConsignments\SendOneConsignmentTest;
 
 use MyParcelNL\Sdk\src\Helper\MyParcelCollection;
+use MyParcelNL\Sdk\src\Model\MyParcelConsignment;
 use MyParcelNL\Sdk\src\Model\Repository\MyParcelConsignmentRepository;
 
 
@@ -85,7 +86,7 @@ public function testMultiColo()
                 $consignment->setLabelDescription($consignmentTest['label_description']);
             }
 
-            $myParcelCollection = $myParcelCollection->addMultiCollo($consignment, $consignmentTest['multi_collo_amount']);
+            $myParcelCollection->addMultiCollo($consignment, $consignmentTest['multi_collo_amount']);
 
 
             $this->assertCount($consignmentTest['multi_collo_amount'], $myParcelCollection);
@@ -97,11 +98,11 @@ public function testMultiColo()
 
             $this->assertEquals(true, preg_match("#^https://api.myparcel.nl/pdfs#", $myParcelCollection->getLinkOfLabels()), 'Can\'t get link of PDF');
 
-            /** @var MyParcelConsignmentRepository $consignment */
-            $consignment = $myParcelCollection->getConsignments()[0];
-            $this->assertEquals(true, preg_match("#^3SMYPA#", $consignment->getBarcode()), 'Barcode is not set');
+            /** @var MyParcelConsignment[] $consignments */
+            $consignments = $myParcelCollection->getConsignments();
 
-            /** @todo; clear consignment in MyParcelCollection */
+            $this->assertNotEquals($consignments[0]->getMyParcelConsignmentId(), $consignments[1]->getMyParcelConsignmentId());
+            $this->assertNotEquals($consignments[0]->getBarcode(), $consignments[1]->getBarcode());
         }
     }
 
diff --git a/composer.json b/composer.json
index 1592a6d6..51728694 100755
--- a/composer.json
+++ b/composer.json
@@ -1,9 +1,9 @@
 {
     "name": "myparcelnl/sdk",
-    "version": "v2.1.0-beta.1",
+    "version": "v2.1.0-beta.2",
     "description": "This package is designed to send and receive data from MyParcel by means of an API.",
     "homepage": "https://www.myparcel.nl",
-    "tags": ["MyParcel", "My Parcel", "Post NL", "PostNL"],
+    "tags": ["MyParcel", "My Parcel", "Flespakket", "Post NL", "PostNL"],
     "license": "GPL-3.0-or-later",
     "authors": [
         {
diff --git a/src/Helper/MyParcelCollection.php b/src/Helper/MyParcelCollection.php
index 4a2f773b..f748e810 100644
--- a/src/Helper/MyParcelCollection.php
+++ b/src/Helper/MyParcelCollection.php
@@ -593,7 +593,7 @@ private function apiEncodeReturnShipment($consignment)
      */
     private function getNewCollectionFromResult($result)
     {
-        $newCollection = new MyParcelCollection();
+        $newCollection = new static;
         foreach ($result as $shipment) {
 
             /** @var Collection|MyParcelConsignment[] $consignments */
diff --git a/src/Services/CollectionEncode.php b/src/Services/CollectionEncode.php
index b0d752a3..ce96cf2c 100644
--- a/src/Services/CollectionEncode.php
+++ b/src/Services/CollectionEncode.php
@@ -53,7 +53,7 @@ public function encode()
      */
     private function groupMultiColloConsignments()
     {
-        return $this->consignments->groupBy(function (MyParcelConsignment $consignment) {
+        return $this->consignments->groupBy(function(MyParcelConsignment $consignment) {
             if ($consignment->isPartOfMultiCollo()) {
                 return $consignment->getReferenceId();
             }