diff --git a/Jenkinsfile b/Jenkinsfile
index ab88e60..016b767 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -9,7 +9,7 @@ pipeline {
  			steps {
  				sh 'curl -sS https://getcomposer.org/installer | php'
  				sh 'php composer.phar install'
- 				sh 'phpdbg -qrr -- ./vendor/bin/phpunit --coverage-text --colors=never -c phpunit.xml tests'
+ 				sh 'phpdbg -dffi.enable=1 -qrr -- ./vendor/bin/phpunit --coverage-text --colors=never -c phpunit.xml tests'
  			}
  		}
  	}