diff --git a/Jenkinsfile b/Jenkinsfile
index 06a10f0..cc594aa 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -18,9 +18,9 @@ pipeline {
       stage('Build') {
          steps {
             sh 'git clone https://git.wmi.amu.edu.pl/s444439/ium_z444439'
-            sh 'curl -o ./ium_z444439 https://archive.ics.uci.edu/ml/machine-learning-databases/adult/adult.data'
-            sh 'sed -i "1i\\age,workclass,fnlwgt,education,education-num,marital-status,occupation,relationship,race,sex,capital-gain,capital-loss,hours-per-week,native-country,income" adult.data'
-            sh 'mv adult.data adult.csv'
+            sh 'curl -o https://archive.ics.uci.edu/ml/machine-learning-databases/adult/adult.data'
+            sh 'sed -i "1i\\age,workclass,fnlwgt,education,education-num,marital-status,occupation,relationship,race,sex,capital-gain,capital-loss,hours-per-week,native-country,income" adult.data > adult.csv'
+            sh 'rm adult.data'
             sh 'ls -a'
             sh 'ls -a ./ium_z444439'