diff --git a/tests/FunctionalTest.php b/tests/FunctionalTest.php
index 445d1d1..ec46231 100644
--- a/tests/FunctionalTest.php
+++ b/tests/FunctionalTest.php
@@ -45,6 +45,9 @@ public function testConnection()
     /** @group internet */
     public function testConnectionInvalid()
     {
+        // max_nesting_level was set to 100 for PHP Versions < 5.4 which resulted in failing test for legacy PHP
+        ini_set('xdebug.max_nesting_level', 256);
+
         $this->assertRejectPromise($this->client->connect('www.google.com.invalid:80'));
     }