diff --git a/src/Form/FetchUrlForm.php b/src/Form/FetchUrlForm.php
index 4f65bc5..06755ff 100644
--- a/src/Form/FetchUrlForm.php
+++ b/src/Form/FetchUrlForm.php
@@ -142,7 +142,7 @@ class FetchUrlForm extends FormBase {
     if ($accept_header == 'custom') {
       $accept_header = $form_state->getValue('custom');
     }
-    $request = $this->httpClient->createRequest('GET', $url, ['headers' => ['Accept' => $accept_header, 'User-Agent' => 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.76 Safari/537.36']]);
+    $request = $this->httpClient->createRequest('GET', $url, ['headers' => ['Accept' => $accept_header]]);
     $request_headers = $request->getHeaders();
     try {
       // Get response headers.