diff --git a/tests/Streams/ResourceStreamTest.php b/tests/Streams/ResourceStreamTest.php
index 3fdc70a..fedb316 100644
--- a/tests/Streams/ResourceStreamTest.php
+++ b/tests/Streams/ResourceStreamTest.php
@@ -77,7 +77,7 @@ class ResourceStreamTest extends TestCase
     {
         return [
             [fopen(__FILE__, 'rb'),], // Myself, sure I exists
-            [fsockopen('tcp://127.0.0.1', getenv('ROS_PORT_MODERN')),], // Socket
+            [fsockopen('tcp://' . getenv('ROS_HOST'), getenv('ROS_PORT_MODERN')),], // Socket
             [STDIN, false], // Try it, but do not close STDIN please !!!
             // What else ?
         ];