diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index 0d65ba5..b86c7e6 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -1,5 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<phpunit bootstrap="./vendor/autoload.php" colors="true">
+<phpunit bootstrap="./tests/bootstrap.php"
+         colors="true"
+         backupGlobals="false">
     <testsuites>
         <testsuite>
             <directory>./tests/src</directory>