diff --git a/Jenkinsfile b/Jenkinsfile
index 13681ae..aae9c93 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -20,10 +20,10 @@ pipeline {
         }
         stage('Test lib'){
             steps {
-                buildDocker(env)
-                echo buildDocker(env).envDebug()
-                echo buildDocker(env).config.toString()
-                echo buildDocker(env).buildArgs()
+                def build = buildDocker(env)
+                echo build.envDebug()
+                echo build.config.toString()
+                echo build.buildArgs()
             }
         }
     }