diff --git a/jjb/aaa.yaml b/jjb/aaa.yaml
index 3f942b9..4f0a33f 100644
--- a/jjb/aaa.yaml
+++ b/jjb/aaa.yaml
@@ -24,6 +24,17 @@
       root-pom: pom.xml
       goals: 'clean install'
 
+    parameters:
+      - string:
+         name: GERRIT_REFSPEC
+         default: 'refs/heads/master'
+         description: 'Use default when using "Build Now"'
+
+      - string:
+         name: GERRIT_BRANCH
+         default: 'master'
+         description: 'Use default when using "Build Now"'
+
     triggers:
       - cord-infra-gerrit-trigger-patchset:
           gerrit-server-name: '{gerrit-server-name}'