diff --git a/tests/PHPUnit/bootstrap.php b/tests/PHPUnit/bootstrap.php
index b37816e23173a8626002305a5a89bc9c5ad9a293..2795dc89ac60002b7227c2579e4b01b505a94d26 100644
--- a/tests/PHPUnit/bootstrap.php
+++ b/tests/PHPUnit/bootstrap.php
@@ -111,7 +111,7 @@ Try again.";
     }
 
     $url = Fixture::getRootUrl() . 'tests/PHPUnit/proxy/index.php?module=TestRunner&action=check';
-    $response = Http::sendHttpRequestBy('curl', $url, 2);
+    $response = Http::sendHttpRequestBy('curl', $url, 5);
 
     if ($response === 'OK'
         // The SQL error is for Travis...