diff --git a/src/DataCollector/GuzzleHttpDataCollector.php b/src/DataCollector/GuzzleHttpDataCollector.php
index 932b68a..d16fd90 100644
--- a/src/DataCollector/GuzzleHttpDataCollector.php
+++ b/src/DataCollector/GuzzleHttpDataCollector.php
@@ -66,7 +66,10 @@ public function getName()
      */
     public function onGuzzleHttpCommand(AbstractGuzzleHttpEvent $event)
     {
-        $client = 'm6web_guzzlehttp_'.$event->getClientId();
+        $client = 'm6web_guzzlehttp';
+        if ($event->getClientId() !== 'default') {
+            $client .= '_'.$event->getClientId();
+        }
 
         $request = $event->getRequest();
         $response = $event->getResponse();