diff --git a/Jenkinsfile b/Jenkinsfile
index b09afe2..f05c8c5 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -20,12 +20,7 @@ pipeline {
                 sh 'rm -rf /var/www/combi/assets /var/www/combi/data /var/www/combi/n'
                 // Check if the tiles folder exists. If it does not,
                 // extract the tiles
-                def res = sh(script: "test -d ${target_dir}", returnStatus: true) == 0
-                if (res == '0') {
-                    sh 'cp tiles.tar.gz /var/www/combi/'
-                    sh 'tar -xf /var/www/combi/tiles.tar.gz -C /var/www/combi'
-                    sh 'rm /var/www/combi/tiles.tar.gz'
-                }
+                sh "if [ ! -d "$DIRECTORY" ]; then \n tar -xf /var/www/combi/tiles.tar.gz -C /var/www/combi \n fi"
                 sh 'cp -r ./dist/* /var/www/combi/'
             }
         }