diff --git a/src/com/workshop/Pipeline.groovy b/src/com/workshop/Pipeline.groovy
index 78ef488..39c5167 100644
--- a/src/com/workshop/Pipeline.groovy
+++ b/src/com/workshop/Pipeline.groovy
@@ -17,7 +17,7 @@ class Pipeline {
        String git_user,
        String docker_user,
        String app_port,
-       String pr_num
+       String pr_num,
        String dockerTool
    ){
        this.repository_name = repository_name