diff --git a/Jenkinsfile b/Jenkinsfile
index d5ad1e2..5cb0e83 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -37,6 +37,8 @@ pipeline {
 
       stage('Accumulate metrics results'){
             steps{
+               sh 'chmod +x to_file.sh'
+
                 copyArtifacts filter: 'srr.txt, wer.txt', fingerprintArtifacts: true, optional: true, projectName: 's152203-metrics', target: 'last-results'
                 sh label: '', script: './to_file.sh last-results/srr.txt srr.txt'
                 sh label: '', script: './to_file.sh last-results/wer.txt wer.txt'