diff --git a/Jenkinsfile_stats b/Jenkinsfile_stats
index ba5185a..22a68c4 100644
--- a/Jenkinsfile_stats
+++ b/Jenkinsfile_stats
@@ -6,7 +6,7 @@ pipeline {
     stages {
         stage("Clone repo & print stats"){
             steps {
-                copyArtifacts fingerprintArtifacts: true, projectName: 's434704-create-dataset', selector: ${params.BUILD_SELECTOR}
+                copyArtifacts fingerprintArtifacts: true, projectName: 's434704-create-dataset', selector: "${params.BUILD_SELECTOR}"
                 sh "chmod 777 ./count_files_lines.sh"
                 sh "./count_files_lines.sh"
                 archiveArtifacts "stats.txt"