diff --git a/Jenkinsfile b/Jenkinsfile
index aebf61b..38a7d4a 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -3,19 +3,12 @@ import groovy.io.FileType
 
 
 //locate where this jenkinsfile is
-def workspace = SEED_JOB.lastBuild.checkout[0].workspace
-def releaseConfigDir = "${workspace}/releases"
-
-def files = []
-new File(releaseConfigDir).eachFileRecurse (FileType.FILES) { file ->
-    println file.path
-}
 
 //check and parse the release file
-def inputFile = new File("${releaseConfigDir}/gcube-${params.gCube_release_number}.json")
-assert inputFile.exists() : "Release file not found (expected gcube-${params.gCube_release_number}.json)"
-assert inputFile.canRead() : "Release file cannot be read"
-def gcubeJSON = new JsonSlurper().parseText(inputFile)
+def releaseFile = readFileFromWorkspace("gcube-${params.gCube_release_number}.json")
+assert releaseFile.exists() : "Release file not found (expected gcube-${params.gCube_release_number}.json)"
+assert releaseFile.canRead() : "Release file cannot be read"
+def gcubeJSON = new JsonSlurper().parseText(releaseFile)
 
 //check that the release number parameter is the one expected
 assert gcubeJSON["gCube.version"] == params.gCube_release_number : "Release versions do not match!"