diff --git a/Jenkinsfile b/Jenkinsfile
index b9545bb..37a0eea 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -11,6 +11,8 @@ import org.yaml.snakeyaml.Yaml
 
 def agent_root_folder = '/var/lib/jenkins'
 def verbose = true
+def jsonConfig
+def text
 if ("${params.gCube_release_version}" ||  "${params.RELEASE_URL}"){
 	String releaseURL='';
 	if ("${params.gCube_release_version}"){
@@ -21,9 +23,9 @@ if ("${params.gCube_release_version}" ||  "${params.RELEASE_URL}"){
 	}
 
 //load the release file
-	def text = releaseURL.toURL().getText()
+	text = releaseURL.toURL().getText()
 	//parsing
-	def jsonConfig = new Yaml().load(text)	
+	jsonConfig = new Yaml().load(text)	
 	if (verbose)
 	    println jsonConfig.inspect()
 	echo "Building gCube v. ${jsonConfig.gCube_release.Version}"