diff --git a/Jenkinsfile b/Jenkinsfile
index f161bfa..daa0aef 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -19,9 +19,9 @@ pipeline {
             steps {
                 script {
                     env.VERSION = sh(
-                        env: ["VERSION_FILE=src/main/resources/META-INF/ncore-product/${env.PRODUCT_GROUP}/version.properties"],
                         script: '''
                             set -e
+                            VERSION_FILE=src/main/resources/META-INF/ncore-product/$PRODUCT_GROUP/version.properties
                             VERSION=$(sed -n 's/^version=//p' "$VERSION_FILE")
 
                             if [[ ! "$VERSION" =~ ^[0-9]+(.[0-9]+)*(-[A-Za-z]+)?$ ]]; then