diff --git a/Jenkinsfile-plots b/Jenkinsfile-plots
index be2b1c7..72733bf 100644
--- a/Jenkinsfile-plots
+++ b/Jenkinsfile-plots
@@ -15,7 +15,8 @@ pipeline {
         }
         stage('Make plots') {
             steps{
-                sh('python plots.py')
+                sh('chmod +x plots.py')
+                sh('python3 plots.py')
             }
         }
         stage('Archive artifacts') {