diff --git a/src/PickPoint/PickPointConnector.php b/src/PickPoint/PickPointConnector.php
index 4cc65aa..11f0eb5 100644
--- a/src/PickPoint/PickPointConnector.php
+++ b/src/PickPoint/PickPointConnector.php
@@ -332,7 +332,7 @@ public function getState(string $invoiceNumber, string $orderNumber = ''): State
 
         $this->checkMethodException($response, $url);
 
-        $response = $response[0] ?? [];
+        $response = isset($response) && is_array($response) ? array_pop($response) : [];
 
         return new State($response['State'] ?? 0, $response['StateMessage'] ?? '');
     }
@@ -394,6 +394,30 @@ public function printLabel(array $invoiceNumbers): string
         return $response;
     }
 
+    /**
+     * Marks on packages (zebra printer)
+     * @param array $invoiceNumbers
+     * @return mixed
+     * @throws PickPointMethodCallException
+     */
+    public function printZLabel(array $invoiceNumbers): string
+    {
+        $invoices = !empty($invoiceNumbers) ? $invoiceNumbers : [];
+
+        $url = $this->pickPointConf->getHost() . '/makezlabel';
+        $request = $this->client->post($url, [
+            'json' => [
+                'SessionId' => $this->auth(),
+                "Invoices" => $invoices,
+            ],
+        ]);
+        $response = $request->getBody()->getContents();
+
+        $this->checkMethodException($response, $url);
+
+        return $response;
+    }
+
 
     /**
      * @param array $invoiceNumbers
diff --git a/tests/PrintLabelsAndReestrsTest.php b/tests/PrintLabelsAndReestrsTest.php
index 42382c9..5f0de37 100644
--- a/tests/PrintLabelsAndReestrsTest.php
+++ b/tests/PrintLabelsAndReestrsTest.php
@@ -22,6 +22,18 @@ public function testPrintLabel()
         $this->assertNotEmpty($pdfByteCode);
     }
 
+    public function testPrintZLabel()
+    {
+        /**
+         * Invoice $invoice
+         */
+        $invoice = $this->createInvoice();
+        $invoiceNumber = $invoice->getInvoiceNumber();
+        $pdfByteCode = $this->client->printZLabel(array($invoiceNumber));
+        $this->assertTrue(is_string($pdfByteCode));
+        $this->assertNotEmpty($pdfByteCode);
+    }
+
     public function testMakeReestr()
     {
         /**