diff --git a/Jenkinsfile b/Jenkinsfile
index 9181c50..4f7d920 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -5,7 +5,7 @@ pipeline {
         // then this app password has been declared to jenkins's credentials as a secret text with the name graffy-cloudipr-for-jenkinsipr
         GRAFFY_OWNCLOUD_JENKINS_PWD = credentials('graffy-cloudipr-for-jenkinsipr')
         // not sure pwd is the same as jenkin's variable $WORKSPACE
-        BUILD_ROOT_PATH = pwd() + '/build'  
+        BUILD_ROOT_PATH = '${PWD}/build'  
     }
     stages {
         stage('Initial setup...') {