diff --git a/jenkins/Jenkinsfile b/jenkins/Jenkinsfile
index a924e3f..863d93f 100644
--- a/jenkins/Jenkinsfile
+++ b/jenkins/Jenkinsfile
@@ -18,7 +18,7 @@ pipeline {
                 }
             }
             steps {
-                sh 'python sources/test_calc.py'
+                sh 'python sources/test_calc.py -v'
             }
         }
         stage('Deliver') {