diff --git a/Jenkinsfile b/Jenkinsfile
index d0e71b4..3a448b2 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -373,7 +373,7 @@ def protectBranch(String repo, String branch) {
     label: "${repo}: protect ${branch}",
     script: """
       echo '{
-        "branch_name": "master"
+        "branch_name": "${branch}"
       }' | \
       curl -s -X 'POST' \
         'https://'"\$GIT_SERVER"'/api/v1/repos/${repo}/branch_protections' \