diff --git a/Jenkinsfile-prediction-s444409 b/Jenkinsfile-prediction-s444409
index 29e6b96..c877681 100644
--- a/Jenkinsfile-prediction-s444409
+++ b/Jenkinsfile-prediction-s444409
@@ -27,7 +27,7 @@ buildSelector(
         stage('Prediction') {
             steps {
 		        sh "echo ${params.INPUT} > input_example.json"
-		        sh "python prediction-s444409.py"
+		        sh "python3 prediction-s444409.py"
             }
         }
     }