diff --git a/tests/Geocoder/Tests/HttpAdapter/BuzzHttpAdapterTest.php b/tests/Geocoder/Tests/HttpAdapter/BuzzHttpAdapterTest.php
index 04f0dcc58..d3f0fcb00 100644
--- a/tests/Geocoder/Tests/HttpAdapter/BuzzHttpAdapterTest.php
+++ b/tests/Geocoder/Tests/HttpAdapter/BuzzHttpAdapterTest.php
@@ -20,7 +20,7 @@ public function testGetNullContent()
     public function testGetFalseContent()
     {
         $buzz = new BuzzHttpAdapter();
-        $this->assertNull($buzz->getContent(null));
+        $this->assertNull($buzz->getContent(false));
     }
 
     public function testGetContentWithCustomBrowser()