diff --git a/web/modules/custom/etherpad_api/src/Client.php b/web/modules/custom/etherpad_api/src/Client.php
index 975aa74..daa88e3 100644
--- a/web/modules/custom/etherpad_api/src/Client.php
+++ b/web/modules/custom/etherpad_api/src/Client.php
@@ -41,12 +41,15 @@ class Client {
   public function __construct(ClientInterface $httpClient, ImmutableConfig $config) {
     $this->httpClient = $httpClient;
     $this->config = $config;
-    $this->baseUrl = rtrim($config->get('url'), '/');
+    $this->baseUrl = $config->get('url') ? rtrim($config->get('url'), '/') : null;
     $this->apiKey = $config->get('key');
   }
 
   public function checkToken() {
-    return $this->request('get', 'checkToken');
+    if ($this->baseUrl) {
+      return $this->request('checkToken');
+    }
+    return false;
   }
 
   /**