diff --git a/Jenkinsfile b/Jenkinsfile
index 6693f0a..e292158 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -28,9 +28,9 @@ pipeline {
             steps {
                 script {
                     withCredentials([usernamePassword(credentialsId: "${DOCKERUSRPASS}", usernameVariable: 'REGISTRY_USER', passwordVariable: 'REGISTRY_TOKEN')]) {
-                        sh '
+                        sh """
                         echo "$REGISTRY_TOKEN" | docker login "$REGISTRY_URL" --username ${REGISTRY_USER} --password-stdin
-                        '
+                        """
                     }
                 }
             }