diff --git a/Jenkinsfile b/Jenkinsfile
index baf511c..4c0778a 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -3,7 +3,7 @@ pipeline {
     stages {
         stage('Building the code...') {
             steps {
-		sh 'make devel'
+		sh 'make devel PYTHON=python3'
             }
         }
         stage('Building HTML documentation...') {