diff --git a/ci/Jenkinsfile b/ci/Jenkinsfile
index a6c873d..806212e 100644
--- a/ci/Jenkinsfile
+++ b/ci/Jenkinsfile
@@ -3,4 +3,5 @@
 buildContainerImage2(
     archlist: ['amd64', 'arm64'],
     pi: false,
+    defaultBranch: 'master',
 )