diff --git a/Jenkinsfile b/Jenkinsfile
index fbe2af5..c2c9d9e 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -16,14 +16,7 @@ pipeline {
 			steps {
 				echo '#2 Build App (npm node)'
 				
-				withCredentials(
-					[
-						sshUserPrivateKey(
-							credentialsId: 'cv-kamil-zuk', 
-							variable: 'PRIV_KEY'
-						)
-					]
-				) {
+				withCredentials([sshUserPrivateKey(credentialsId: 'cv-kamil-zuk', keyFileVariable: 'PRIV_KEY')]) {
     					script {
 						echo "$PRIV_KEY"
 						sh '''